CN204539696U - Blade server and network equipment cabinet - Google Patents
Blade server and network equipment cabinet Download PDFInfo
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- CN204539696U CN204539696U CN201520271179.4U CN201520271179U CN204539696U CN 204539696 U CN204539696 U CN 204539696U CN 201520271179 U CN201520271179 U CN 201520271179U CN 204539696 U CN204539696 U CN 204539696U
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Abstract
The utility model proposes a kind of blade server and network equipment cabinet, this blade server comprises: cabinet, the plug-in card backboard be arranged in described cabinet, the computing node being assemblied in described plug-in card backboard one side and at least one power pack being assemblied in described plug-in card backboard another side, I/O module, for the fan group for described I/O module and the heat radiation of described computing node; Wherein, described I/O module is equipped with air intake vent and air outlet, described air outlet and fan group corresponding matching described at least one are arranged, to make fan group described at least one for I/O module heat dissipating described in any one.The utility model is by carrying out design air duct structure to the I/O module of blade server, make blade server while dispelling the heat for computing node, also for I/O module is dispelled the heat, thus realize, effectively for the overall structure of blade server is dispelled the heat, improving the integral heat sink ability of this blade server.
Description
Technical field
The utility model relates to network communication equipment technical field, particularly relates to a kind of blade server and network equipment cabinet
Background technology
Along with the fast development of IT technology, the construction scale such as cloud computing, data center constantly expands, and also increases information products demands such as the extendible servers of high density thereupon.Blade server is as the server of high density, enhanced scalability, and application in the heart gets more and more in the data.The scale of data center constantly increases, construction cost is also thereupon more and more higher, in order to utilize the inner space of data center to greatest extent, blade server single-machine capacity (i.e. the extendible computing node quantity of unit) also does more and more thereupon, therefore the calculated performance of blade server and cooling requirements are also increased thereupon, existing blade server is all generally focus on as computing node heat radiation, and neglected the heat radiation of other modules, especially the heat radiation of I/O module, therefore the integral heat sink effect of blade server is not good.
Utility model content
In view of this, the utility model proposes a kind of blade server and network equipment cabinet to solve the problems of the technologies described above.
In order to arrive above-mentioned purpose, the technical scheme that the utility model adopts is:
According to the first aspect of the utility model embodiment, a kind of blade server is proposed, comprise: cabinet, the plug-in card backboard be arranged in described cabinet, the computing node being assemblied in described plug-in card backboard one side and at least one power pack being assemblied in described plug-in card backboard another side, I/O module, for the fan group for described I/O module and the heat radiation of described computing node;
Wherein, described I/O module is equipped with air intake vent and air outlet, described air outlet and fan group corresponding matching described at least one are arranged, to make fan group described at least one for I/O module heat dissipating described in any one.
The further improvement of the utility model blade server is, upper side and the downside of described I/O module are respectively equipped with described air intake vent, and described I/O module is provided with described air outlet in the side in correspondence described fan group inlet air path; Wherein, in upper side and the downside of described I/O module, described air intake vent is positioned at the one end away from described plug-in card backboard; In the side of described I/O module, described air outlet is positioned at the one end near described plug-in card backboard.
The further improvement of the utility model blade server is, upper side and the downside of described I/O module are respectively equipped with described air intake vent, and described I/O module is being provided with for the described air outlet on fan group inlet air path described in the air flow guiding in described I/O module with described plug-in card backboard splicing position; Wherein, in upper side and the downside of described I/O module, described air intake vent is positioned at the one end away from described plug-in card backboard.
The further improvement of the utility model blade server is, described air intake vent is arranged at the rigging position place of described I/O module and described plug-in card backboard; Described air outlet is arranged at the side in corresponding described fan group inlet air path, and wherein, described air outlet is near the inlet air place of described fan group.
The further improvement of the utility model blade server is, the described power pack be arranged in order, described I/O module, described fan group, described I/O module definition are the first functional module group; Wherein, described plug-in card backboard is equipped with the first functional module group described at least two groups.
The further improvement of the utility model blade server is, the organization definition that the described I/O module being arranged at described fan group both sides is respectively formed is the second functional module group, and described power pack is two; Wherein, the second functional module group described at least two groups is provided with between two described power pack.
The further improvement of the utility model blade server is, the organization definition that two the described I/O modules being arranged at described fan group the same side are formed is the 3rd functional module group, and described power pack is two; Wherein, the 3rd functional module group described at least two groups is provided with between two described power pack.
The further improvement of the utility model blade server is, it is the 4th functional module group that two described I/O modules are arranged side by side the organization definition formed between described power pack and described fan group; Wherein, described plug-in card backboard is equipped with the 4th functional module group described at least two groups.
The further improvement of the utility model blade server is, it is five-function module group that described I/O module both sides are respectively fitted with the organization definition that described fan group formed, and described power pack is two; Five-function module group described at least one is provided with between two described power pack.
According to the second aspect of the utility model embodiment, propose a kind of network equipment cabinet, comprising:
Frame structure;
What be assemblied in described frame structure is multiple as the blade server according to any one of above-mentioned;
Wherein, in described frame structure, the lateral dimension of server accommodation space is equal with the lateral dimension of described blade server; The longitudinal size of server accommodation space is the integral multiple of described blade server longitudinal size; Or
The lateral dimension of server accommodation space is the integral multiple of the lateral dimension of described blade server; The longitudinal size of server accommodation space is equal with described blade server longitudinal size.
Compared with prior art, the utility model is by carrying out design air duct structure to the I/O module of blade server, make blade server while dispelling the heat for computing node, also for I/O module is dispelled the heat, thus realize, effectively for the overall structure of blade server is dispelled the heat, improving the integral heat sink ability of this blade server.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the utility model blade server;
Fig. 2 is the structure schematic diagram of the utility model blade server one embodiment;
Fig. 3 is the top cross-sectional view of embodiment in Fig. 2;
Fig. 4 is the structural representation that the fan of the utility model blade server coordinates with I/O module;
Fig. 5 is the another structural representation that the fan of the utility model blade server coordinates with I/O module;
Fig. 6 is the structure schematic diagram of the another embodiment of the utility model blade server;
Fig. 7 is the structure schematic diagram of the another embodiment of the utility model blade server;
Fig. 8 is the structure schematic diagram of the another embodiment of the utility model blade server;
Fig. 9 is the structure schematic diagram of the another embodiment of the utility model blade server;
Figure 10 is the top cross-sectional view of embodiment in Fig. 9;
Figure 11 be the utility model network equipment cabinet face structural representation.
Embodiment
Below with reference to embodiment shown in the drawings, the utility model is described in detail.But these execution modes do not limit the utility model, the structure that those of ordinary skill in the art makes according to these execution modes, method or conversion functionally are all included in protection range of the present utility model.
The term used at the utility model is only for the object describing specific embodiment, and not intended to be limiting the utility model." one ", " described " and " being somebody's turn to do " of the singulative used in the utility model and appended claims is also intended to comprise most form, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more project of listing be associated any or all may combine.
Although should be appreciated that the utility model may adopt term first, second etc. various information is described, these information should not be limited to these terms.These terms are only used for the information of same type to be distinguished from each other out.Such as, when not departing from the utility model scope, the first information also can be called as the second information, and similarly, the second information also can be called as the first information.Depend on linguistic context, word as used in this " if " can be construed as into " ... time " or " when ... time " or " in response to determining ".
As shown in Figures 1 to 4, Fig. 1 is the Facad structure schematic diagram of the utility model blade server; Fig. 2 is the structure schematic diagram of the utility model blade server one embodiment; Fig. 3 is the top cross-sectional view of embodiment in Fig. 2; Fig. 4 is the structural representation that the fan of the utility model blade server coordinates with I/O module.In the utility model, by arranging this I/O (input/output, input/output port) module 25 air channel structure and match with fan group 26, fan group 26 is also dispelled the heat for I/O module 25 while the computing node 23 for blade server 2 dispels the heat, thus makes the integral heat sink performance of raising blade server 2.
Blade server 2 of the present utility model comprises: cabinet 21, the plug-in card backboard 22 be arranged in cabinet 21, the computing node 23 being assemblied in plug-in card backboard 22 1 side and at least one power pack 24 being assemblied in plug-in card backboard 22 another side, I/O module 25, for the fan group 26 of dispelling the heat for I/O module 25 and computing node 23.Wherein, cabinet 21 is divided into former and later two parts by this plug-in card backboard 22, the forward part of cabinet 21 is for computing node 23 of planting, the cabinet 21 single pluggable blade server module of this computing node 23 for being arranged in blade server 2, namely the same with individual server operation principle, just better can realize each computing node 23 load balancing, cluster computing and management etc. by the management platform of blade server 2; The rear section of cabinet 21 is then for assembling I/O module 25, fan group 26, power pack 24 etc., this plug-in card backboard 22 may be used for the carrier as the information transmission between computing node 23, between computer node 23 and I/O module 25, realizes the cluster computing of each computing node 23 and management etc. by the CPU, memory etc. that this plug-in card backboard 22 is arranged.
In addition, it should be noted that, the fan group 26 in the utility model comprises multiple fan and longitudinally arranges and formed, and each fan all can realize hot plug and change separately; Power pack 24 comprises multiple power supply and longitudinally arranges and formed, and wherein, usual each power supply all carries fan, thus realize power supply and independently dispel the heat, without the need to designing other schemes for the problem of power supply heat sinking again, certainly, this power pack 24 also can be a powerful power module of independence.In the utility model, between I/O module 25 with computing node 23, adopt orthogonal or semi-orthogonal, thus higher plug-in card backboard 22 bandwidth can be provided, improve the performance of complete machine and be convenient to later stage upgrading renewal.
Preferably, in order to improve the integral heat sink effect of blade server 2, in embodiment of the present utility model, described I/O module 25 is equipped with air intake vent 251 and air outlet 252, air outlet 252 and at least one fan group 26 corresponding matching are arranged, and dispel the heat for any one I/O module 25 to make at least one fan group 26.Briefly make the fan dispelled the heat for computing node 23 also be that contiguous I/O module 25 is dispelled the heat simultaneously, setting like this can be discharged fast to make the amount of heat in I/O module 25, be embodied as the object that I/O module 25 is dispelled the heat, improve the overall performance of I/O module 25.
In an embodiment of the present utility model, as shown in Figures 2 to 4, the upper side of I/O module 25 and downside are respectively equipped with air intake vent 251, and I/O module 25 is provided with air outlet 252 in the side in corresponding fan group 26 inlet air path, setting like this forms heat dissipation wind channel to make I/O module 25 inside, and by the effect of fan group 26, make air form the inside of this I/O module 25 of airflow passes, thus dispel the heat for the high power device of I/O module 25 inside.Preferably, in upper side and the downside of I/O module 25, air intake vent 251 is positioned at the one end away from plug-in card backboard 22, in this embodiment, the two ends up and down of this blade server 2 are also provided with the inlet air passage into air intake vent 251 air intake, the air outside blade server 2 cabinet to be incorporated into air intake vent 251 place of I/O module 25; In addition, this blade server 2 is also provided with the power supply inlet air passage into power pack 24 inlet air, and preferably, the air channel of this power supply inlet air passage and computing node 23 and the inlet air passage of I/O module 25 are separated mutually, to ensure the radiating effect of modules.Further, in the side of I/O module 25, air outlet 252 is positioned at the one end near plug-in card backboard 22, and so setting farthest flows through the space in I/O module 25 with the air-flow making air be formed, thus plays better heat-radiation effect.
In another embodiment of the present utility model, as shown in Figure 5, the upper side of I/O module 25 and downside are respectively equipped with air intake vent 251, and I/O module 25 is being provided with for the air outlet 252 on the air flow fan group 26 inlet air path guiding in I/O module 25 with plug-in card backboard 22 splicing position, setting like this forms heat dissipation wind channel to make I/O module 25 inside, and by the effect of fan group 26, make air form the inside of airflow passes this I/O module 25, thus dispel the heat for the high power device of I/O module 25 inside.Preferably, in upper side and the downside of I/O module, this air intake vent 251 is positioned at the one end away from plug-in card backboard 22.
In another embodiment of the present utility model, when fan group 26 is less along the size of computing node 23 assembly direction, air intake vent 251 can also be arranged at the rigging position place of I/O module 25 and plug-in card backboard 22, now this plug-in card backboard 22 is to the position of air intake vent 251 being provided with through hole, air outlet 252 is arranged at the side in corresponding fan group 26 inlet air path, wherein, air outlet 252 is near the inlet air place of fan group 26, setting like this is connected with the heat dissipation wind channel of I/O module 25 by the heat dissipation wind channel of computing node 23, time in radiation processes, under the effect of fan group 26, the air-flow that air is formed flows into I/O module 25 by air intake vent 251 after computing node 23, fan group 26 is flowed to through air outlet 252 after flowing through I/O module 25 inside again, then blown out outside blade server 2 by fan group 26, in this embodiment, can realize equally farthest dispelling the heat for I/O module 25.
Referring again to shown in Fig. 1 to Fig. 4, in this embodiment, the power pack 24 be arranged in order, I/O module 25, fan group 26, I/O module 25 are defined as the first functional module group, this plug-in card backboard 22 are equipped with at least two group first functional module groups.Further, in the present embodiment, illustrate for two power pack, 24, four I/O modules 25 and two fan groups 26, the both sides of each fan group 26 arrange an I/O module 25 respectively, now fan group 26 is embodied as two I/O modules 25 and computing node 23 dispels the heat simultaneously, can effectively make rational use of resources, form the flow direction of air-flow as shown in Figure 3.
As shown in Figure 6, in another embodiment of the present utility model, the organization definition that the I/O module 25 being arranged at fan group 26 both sides is respectively formed is the second functional module group, and power pack 24 is two; Wherein, at least two group second functional module groups are provided with between two power pack 24.Further, in the present embodiment, illustrate for two power pack, 24, four I/O modules 25 and two fan groups 26, in this embodiment, two I/O are separately positioned on the both sides of a fan group 26, and the both sides that two power pack 24 are arranged in blade server 2 cabinet power for for the modules in blade server 2.In this embodiment, a same use fan group 26 is that two I/O modules 25 and computing node dispel the heat simultaneously, thus can realize effectively utilizing resource.
As shown in Figure 7, in another embodiment of the present utility model, the organization definition that two the I/O modules 25 being arranged at fan group 26 the same side are formed is the 3rd functional module group, and power pack 24 is two; Wherein, at least two groups the 3rd functional module group is provided with between two power pack 24.Further, in the present embodiment, illustrate for two power pack, 24, four I/O modules 25 and two fan groups 26, in this embodiment, two fan groups 26 are disposed adjacent, four I/O modules 25 are divided into two groups, are disposed adjacent the both sides being separately positioned on two fan groups 26 between two.In this embodiment, be that two I/O modules 25 are dispelled the heat by a fan equally, preferably, in this embodiment, select the air channel structure shown in Fig. 5.Now, in adjacent two I/O modules 25, I/O module 25 and plug-in card backboard 22 splicing position are formed with air outlet, thus flow on the inlet air path of fan group 26 by air in I/O module 25 through air outlet 252, discharge blade server 2 finally by fan group 26.
As shown in Figure 8, in another embodiment of the present utility model, it is the 4th functional module group that two I/O modules 25 are arranged side by side the organization definition formed between power pack 24 and fan group 26; Wherein, plug-in card backboard 22 is equipped with at least two groups the 4th functional module group.Further, in the present embodiment, illustrate for two power pack, 24, four I/O modules 25 and two fan groups 26, in this embodiment, four I/O modules 25 are divided into two groups, be disposed adjacent to be disposed adjacent with arbitrary fan group 26 between two, in this embodiment, the air channel that I/O module 25 is formed is identical with embodiment in Fig. 7, just do not repeating at this, in this embodiment, by change power pack 24, I/O module 25, fan group 26 position to make to be adapted to the setting of position on plug-in card backboard 22 and communication line.
As shown in Figure 9 and Figure 10, in another embodiment of the present utility model, it is five-function module group that described I/O module 25 both sides are respectively fitted with the organization definition that fan group 26 formed, and power pack 24 is two; Wherein, be provided with at least one five-function module group between two power pack 24, in this embodiment, adjacent I/O module 25 can realize a shared fan group 26 with saving resource.Further, in the present embodiment, with two power pack 24, two I/O modules 25 and three fan groups 26 illustrate for example, wherein, the fan group 26 be arranged between two I/O modules 25 is that two I/O modules 25 share, namely two I/O modules 25 that this fan group 26 is respectively both sides are dispelled the heat simultaneously, the other side of these two I/O modules 25, namely also coordinate with fan group 26 respectively near a side of power pack 24, setting like this all has fan group 26 to dispel the heat to it to realize single I/O module 25 both sides simultaneously, the speed of dispelling the heat can be accelerated, strengthen the heat-sinking capability of blade server 2, the I/O module 25 of the relatively above-mentioned several types embodiment of this embodiment is few, relative communication ability is slightly more weak, but the quantity of fan group 26 is more, heat-sinking capability is relatively strong.
Further, as shown in figure 11, according to the second aspect of the utility model embodiment, also propose a kind of network equipment cabinet 1, this network equipment cabinet 1 comprises: frame structure 11; Be assemblied in the blade server 2 multiple of the present utility model in frame structure 11; Wherein, in an embodiment of the present utility model, in frame structure 11, the lateral dimension of server accommodation space is equal with the lateral dimension of blade server 2, the longitudinal size of server accommodation space is the integral multiple of blade server 2 longitudinal size, so designs, and can greatly improve the space availability ratio of network equipment cabinet 1, increase the center calculation density of data, improve the competitiveness of product.Below with the network equipment cabinet of 19 feet, 8U (Unit, size) to have 12 computing nodes be that example has explanation to server, the height of the network equipment cabinet of 19 inches of standard is 42U, wherein the accommodation space of 2U is for placing switching equipment 3, remaining 40U is for placing blade server 2, the server of employing 8U like this just in time can place 5 blade servers, thus realizes the space making full use of network equipment cabinet.Certainly in other embodiments, also can use be of a size of 8U have 14 computing nodes blade server, be of a size of 10U and there is the blade server of 14 computing nodes or be of a size of 10U there is the feasible framework form such as the blade server of 16 computing nodes.
In addition, in other embodiments of the present utility model, in frame structure 11, the lateral dimension of server accommodation space is the integral multiple of the lateral dimension of blade server 2; The longitudinal size of server accommodation space is equal with blade server 2 longitudinal size, i.e. the another kind of arrangement mode of blade server 2, also for ease of the object realizing making full use of network equipment cabinet 1 space.
Blade server in the utility model is by the air channel structure of design I/O module, and by adjustment complete machine framework layout, in the cabinet rear section of especially blade server, the position adjustment of power pack, fan group and I/O module realizes polytype framework layout, thus the heat-sinking capability of blade server can be provided effectively, strengthen the performance of blade server; In addition, proposing a kind of network equipment cabinet, by selecting size and the type of adaptive blade server, while making it possible to single cabinet bulk density of the raising network equipment, the space availability ratio of network equipment cabinet can be improved greatly.
Those skilled in the art, at consideration specification and after putting into practice utility model disclosed herein, will easily expect other embodiment of the present utility model.The application is intended to contain any modification of the present utility model, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present utility model and comprised the undocumented common practise in the art of the utility model or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present utility model and spirit are pointed out by the claim of the application.
Should be understood that, the utility model is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present utility model is only limited by appended claim.
Claims (10)
1. a blade server, it is characterized in that, comprise: cabinet, the plug-in card backboard be arranged in described cabinet, the computing node being assemblied in described plug-in card backboard one side and at least one power pack being assemblied in described plug-in card backboard another side, I/O module, for the fan group for described I/O module and the heat radiation of described computing node;
Wherein, described I/O module is equipped with air intake vent and air outlet, described air outlet and fan group corresponding matching described at least one are arranged, to make fan group described at least one for I/O module heat dissipating described in any one.
2. blade server according to claim 1, is characterized in that, upper side and the downside of described I/O module are respectively equipped with described air intake vent, and described I/O module is provided with described air outlet in the side in correspondence described fan group inlet air path; Wherein, in upper side and the downside of described I/O module, described air intake vent is positioned at the one end away from described plug-in card backboard; In the side of described I/O module, described air outlet is positioned at the one end near described plug-in card backboard.
3. blade server according to claim 1, it is characterized in that, upper side and the downside of described I/O module are respectively equipped with described air intake vent, and described I/O module is being provided with for the described air outlet on fan group inlet air path described in the air flow guiding in described I/O module with described plug-in card backboard splicing position; Wherein, in upper side and the downside of described I/O module, described air intake vent is positioned at the one end away from described plug-in card backboard.
4. blade server according to claim 1, is characterized in that, described air intake vent is arranged at the rigging position place of described I/O module and described plug-in card backboard; Described air outlet is arranged at the side in corresponding described fan group inlet air path, and wherein, described air outlet is near the inlet air place of described fan group.
5. the blade server according to claim 2 or 4, is characterized in that, the described power pack be arranged in order, described I/O module, described fan group, described I/O module definition are the first functional module group; Wherein, described plug-in card backboard is equipped with the first functional module group described at least two groups.
6. the blade server according to claim 2 or 4, is characterized in that, the organization definition that the described I/O module being arranged at described fan group both sides is respectively formed is the second functional module group, and described power pack is two; Wherein, the second functional module group described at least two groups is provided with between two described power pack.
7. the blade server according to claim 2 or 4, is characterized in that, the organization definition that two the described I/O modules being arranged at described fan group the same side are formed is the 3rd functional module group, and described power pack is two; Wherein, the 3rd functional module group described at least two groups is provided with between two described power pack.
8. the blade server according to claim 2 or 4, is characterized in that, it is the 4th functional module group that two described I/O modules are arranged side by side the organization definition formed between described power pack and described fan group; Wherein, described plug-in card backboard is equipped with the 4th functional module group described at least two groups.
9. the blade server according to claim 2 or 4, is characterized in that, it is five-function module group that described I/O module both sides are respectively fitted with the organization definition that described fan group formed, and described power pack is two; Five-function module group described at least one is provided with between two described power pack.
10. a network equipment cabinet, is characterized in that, comprising:
Frame structure;
Be assemblied in the blade server multiple as claimed in any one of claims 1-9 wherein in described frame structure;
Wherein, in described frame structure, the lateral dimension of server accommodation space is equal with the lateral dimension of described blade server; The longitudinal size of server accommodation space is the integral multiple of described blade server longitudinal size; Or
The lateral dimension of server accommodation space is the integral multiple of the lateral dimension of described blade server; The longitudinal size of server accommodation space is equal with described blade server longitudinal size.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271179.4U CN204539696U (en) | 2015-04-29 | 2015-04-29 | Blade server and network equipment cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520271179.4U CN204539696U (en) | 2015-04-29 | 2015-04-29 | Blade server and network equipment cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613728A (en) * | 2017-09-18 | 2018-01-19 | 北京百卓网络技术有限公司 | A kind of communication equipment with rear plug-in card and thereafter plug-in card |
| CN114003108A (en) * | 2020-07-28 | 2022-02-01 | 华为技术有限公司 | Server, cabinet type server and blade type server |
| WO2023125549A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Server and manufacturing method therefor |
-
2015
- 2015-04-29 CN CN201520271179.4U patent/CN204539696U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613728A (en) * | 2017-09-18 | 2018-01-19 | 北京百卓网络技术有限公司 | A kind of communication equipment with rear plug-in card and thereafter plug-in card |
| CN114003108A (en) * | 2020-07-28 | 2022-02-01 | 华为技术有限公司 | Server, cabinet type server and blade type server |
| WO2023125549A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Server and manufacturing method therefor |
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Address after: 310052 Binjiang District, Zhejiang Province, Changhe Road, No. 11, building 466, building Patentee after: Huashan Information Technology Co., Ltd. Address before: 310052 Binjiang District, Zhejiang Province, Changhe Road, No. 11, building 466, building Patentee before: Hangzhou Kun Hai Information Technology Co., Ltd |
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Address after: 310052 11th Floor, 466 Changhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Xinhua Sanxin Information Technology Co., Ltd. Address before: 310052 11th Floor, 466 Changhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Huashan Information Technology Co., Ltd. |
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