CN105502111A - Elevator access control system based on bluetooth and elevator access dispatching method - Google Patents
Elevator access control system based on bluetooth and elevator access dispatching method Download PDFInfo
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- CN105502111A CN105502111A CN201510848963.1A CN201510848963A CN105502111A CN 105502111 A CN105502111 A CN 105502111A CN 201510848963 A CN201510848963 A CN 201510848963A CN 105502111 A CN105502111 A CN 105502111A
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- elevator
- station
- bluetooth
- subsystem
- base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
- B66B1/18—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses an elevator access control system based on bluetooth and an elevator access dispatching method. The elevator access control system comprises a first bluetooth base station, a second bluetooth base station, an elevator group control subsystem, a center service subsystem and an elevator communication subsystem, wherein the first bluetooth base station is provided with a base station ID, and is put in an elevator room entrance for sending bluetooth broadcasting information to a client terminal; the second bluetooth base station is provided with a base station ID, and is put in a car for sending the bluetooth broadcasting information to the client terminal; the elevator group control subsystem is used for monitoring an operation state of the car and generating elevator distribution information according to an identification result of the first bluetooth base station; the center service subsystem is used for sending the elevator distribution information to the client terminal to enable the client terminal to generate access guide information according to the elevator distribution information and the base station ID; and the elevator communication subsystem is used for communicating between the center service subsystem and the elevator group control subsystem. The elevator access control system realizes management simplification of access control process, hardware investment reduction and fastness of installation and maintenance.
Description
Technical field
The present invention relates to elevators field, particularly relate to a kind of elevator input-output control system based on bluetooth and elevator discrepancy dispatching method.
Background technology
Existing large buildings is standardized administration, is substantially all the unified gateway control system of elevator setting, carries out strict turnover management.Existing gateway control system utilizes IC (IntegratedCircuit, integrated circuit) card, RFID (RadioFrequencyIdentification, RF identification) label etc. adds card reader and carries out identification, is characterized in technology maturation, accuracy Gao Dian etc.; But the drawbacks such as it also exists, and management is loaded down with trivial details, hardware has high input, and installation and maintenance are inconvenient.
Summary of the invention
The invention provides a kind of elevator input-output control system based on bluetooth and elevator discrepancy dispatching method, manage loaded down with trivial details, that hardware cost is high and installation and maintenance are inconvenient problem to solve in prior art.
For realizing above-mentioned design, the present invention by the following technical solutions:
Adopt a kind of elevator input-output control system based on bluetooth on the one hand, comprising:
First Bluetooth base. station, is provided with base station IDs, is positioned over escalator entrance for sending Bluetooth broadcast information to client;
Second Bluetooth base. station, is provided with base station IDs, is positioned over car for sending Bluetooth broadcast information to client;
Elevator group controlling subsystem, for monitoring the running state of described car and generating allocation of elevators information according to the recognition result of described first Bluetooth base. station;
Center service subsystem, generates according to allocation of elevators information and base station IDs guidance information of coming in and going out for described client for allocation of elevators information being sent to client;
Elevator communication subsystem, for the communication between described center service subsystem and elevator group controlling subsystem.
Wherein, also comprise access control subsystem, for controlling the switch of elevator door.
Wherein, described access control subsystem, also for when described center service subsystem recognizes the client of default access, controls elevator and arrives corresponding floor.
Wherein, described discrepancy guidance information comprises boarding guidance information and arrives at guidance information, records the base station IDs of the second Bluetooth base. station of the car of distribution in described boarding guidance information.
Wherein, when client detects that the current base station IDs of the second Bluetooth base. station is not mated with the base station IDs of distribution, client sends boarding spurious signal respectively to user and center service subsystem.
Wherein, described center service subsystem also for arranging the base station data of the first Bluetooth base. station and the second Bluetooth base. station, and records the title of the first Bluetooth base. station and the second Bluetooth base. station, base station IDs and base station functions.
Wherein, described center service subsystem also for typing client-side information, and sends the base station data of the first Bluetooth base. station and the second Bluetooth base. station to client.
Wherein, the running state of the car of described elevator group controlling subsystem monitors at least two elevators.
Wherein, described center service subsystem, also for the record of the recognition result and access control subsystem controls switch that record running state, the first Bluetooth base. station and the second Bluetooth base. station that described elevator group controlling subsystem monitors arrives.
Adopt a kind of elevator based on bluetooth discrepancy dispatching method on the other hand, comprising:
Initiate to call ladder request together to center service subsystem when client detects the first legal Bluetooth base. station;
Described center service subsystem according to described in call ladder request together and send door open command to access control subsystem, or send allocation of elevators instruction by allocation of elevators result feedback to client to elevator group controlling subsystem;
When client detects the second legal Bluetooth base. station, the Bluetooth base. station data of carrying in the base station data of described second Bluetooth base. station and described allocation of elevators result are compared;
If comparison result is inconsistent, described client sends boarding spurious signal respectively to user and center service subsystem.
Beneficial effect of the present invention is: by arranging Bluetooth base. station in escalator entrance and car, the boarding state judging client is identified according to Bluetooth base. station and the mutual of client, there is elevator group controlling subsystem to realize the scheduling of elevator, realized the monitoring of the forwarding of scheduling and the response condition of scheduling process by center service subsystem; Achieve the management simplification of access control process, hardware drops into and decline and installation and maintenance quick.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the embodiment of the present invention and these accompanying drawings.
Fig. 1 is the block diagram of a kind of elevator input-output control system based on bluetooth provided in the specific embodiment of the invention.
Fig. 2 is the method flow diagram of a kind of discrepancy of the elevator based on the bluetooth dispatching method provided in the specific embodiment of the invention.
Detailed description of the invention
The technical matters solved for making the present invention, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those skilled in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, it is the block diagram of a kind of elevator input-output control system based on bluetooth provided in the specific embodiment of the invention, and as shown in the figure, this elevator input-output control system, comprising:
First Bluetooth base. station 10, is provided with base station IDs, is positioned over escalator entrance for sending Bluetooth broadcast information to client 70;
Second Bluetooth base. station 20, is provided with base station IDs, is positioned over car for sending Bluetooth broadcast information to client 70;
Elevator group controlling subsystem 30, for monitoring the running state of described car and generating allocation of elevators information according to the recognition result of described first Bluetooth base. station 10;
Center service subsystem 50, generates according to allocation of elevators information and base station IDs guidance information of coming in and going out for described client 70 for allocation of elevators information being sent to client 70;
Elevator communication subsystem 40, for the communication between described center service subsystem 50 and elevator group controlling subsystem 30.
Bluetooth can realize fixed equipment, short-range data between mobile device and building personal area network exchanges (the UHF radiowave using the ISM wave band of 2.4-2.485GHz).In this programme, in order to avoid maloperation, the distance of client 70 and the first Bluetooth base. station 10 also can be detected by bluetooth, only have when the distance of client 70 and the first Bluetooth base. station 10 is enough close to (within such as 0.3 meter), just can send call request to center service subsystem 50, record corresponding base station IDs in call request, confirm the first Bluetooth base. station position for center service subsystem 50.
Client 70 in this programme mainly refers to the intelligent APP be installed on mobile terminal, in current mobile terminal, substantially can realize Bluetooth transmission and the data service based on wireless communication networks.At this, client 70 receives the Bluetooth broadcast information of the first Bluetooth base. station 10 and the transmission of the second Bluetooth base. station 20, then carries out subsequent operation, such as call, current elevator judgement etc. according to the Bluetooth broadcast information received; Client 70 and center service subsystem 50 carry out data transmission by wireless communication networks.The call request mainly carrying the base station IDs of the first Bluetooth base. station 10 transmitted between client 70 and center service subsystem 50 and allocation of elevators information.
Can be communicated by interfaces such as RS232, RS485, RS422, CAN between elevator communication subsystem 40 with elevator group controlling subsystem 30.
In sum, by arranging Bluetooth base. station in escalator entrance and car, the boarding state judging client is identified according to Bluetooth base. station and the mutual of client, there is elevator group controlling subsystem to realize the scheduling of elevator, realized the monitoring of the forwarding of scheduling and the response condition of scheduling process by center service subsystem; Achieve the management simplification of access control process, hardware drops into and decline and installation and maintenance quick.
Preferably, as shown in Figure 1, access control subsystem 60 is also comprised, for controlling the switch of elevator door.
Further, described access control subsystem 60, also for when described center service subsystem 50 recognizes the client 70 of default access, controls elevator and arrives corresponding floor.
Have the user (such as estate management, owner) of default access, it can use the specific access control subsystem 60 of the direct manual unlocking of intelligent APP, without the need to receiving the first Bluetooth base. station 10 information.
Access control subsystem 60, except the switching manipulation to elevator, also can arrange gate etc. in escalator entrance further, equally by access control subsystem 60 master cock.
Preferably, described discrepancy guidance information comprises boarding guidance information and arrives at guidance information, records the base station IDs of the second Bluetooth base. station 20 in the car of distribution in described boarding guidance information.
Further, when client 70 detects that the base station IDs of the second current Bluetooth base. station 20 is not mated with the base station IDs of distribution, client 70 sends boarding spurious signal respectively to user and center service subsystem 50.
Another kind of preferred mode, described center service subsystem 50 also for arranging the base station data of the first Bluetooth base. station 10 and the second Bluetooth base. station 20, and records the title of the first Bluetooth base. station 10 and the second Bluetooth base. station 20, base station IDs and base station functions.
Center service subsystem 50 possesses the function of the base station data arranging the first Bluetooth base. station 10 and the second Bluetooth base. station 20, and it can record title, base station IDs, the base station functions of Bluetooth base. station.If the first Bluetooth base. station 10, then record the access control subsystem 60 of its correspondence; If the second Bluetooth base. station 20, then record the elevator number of its correspondence.
On this basis, described center service subsystem 50 also for typing client 70 information, and sends the base station data of the first Bluetooth base. station 10 and the second Bluetooth base. station 20 to client 70.
Center service subsystem 50 and intelligent APP carry out communication by internet; Communicated by local area network with elevator communication subsystem 40, access control subsystem 60.
The connection of center service subsystem 50, client 70, first Bluetooth base. station 10 and the second Bluetooth base. station 20 can allow intelligent APP possess following functions:
Intelligence APP possesses login function, and it can be connected to center service subsystem 50 and carry out authentication;
Intelligence APP possesses the function with center service subsystem 50 communication, it can download the information of the first Bluetooth base. station 10 and the second Bluetooth base. station 20 from center service subsystem 50, comprise base station name, base station IDs, function (access control, car are located) etc.; Request instruction of coming in and going out can be sent to center service subsystem 50;
Intelligence APP can the call request results that returns of receiving center service subsystem 50, comprises call request whether success, the elevator that distributes number, Bluetooth base. station information etc. that lift car is corresponding;
Intelligence APP can show the elevator distributed, if the user having floor to limit, also can show object floor;
Intelligence APP has elevator arriving reminding function, and when the elevator of specifying arrives, energy is reminding user in time;
Concrete arriving reminding is realized by center service subsystem 50; Center service subsystem 50 constantly can receive the information such as elevator floor, service direction that elevator group controlling subsystem 30 is uploaded, when center service subsystem 50 judges that the building number of elevator floor and distribution, floor and direction are consistent, send elevator to the intelligent APP distributed and arrive instruction, intelligent APP reminds client's elevator to arrive by modes such as word, sound, message.
Intelligence APP according to the information of the second Bluetooth base. station 20, can judge whether client has entered elevator, whether entered correct elevator;
Intelligence APP has boarding error prompting function, if client enters the elevator of mistake, terminal APP can remind client in time and notify center service system;
For boarding mistake, center service subsystem 50 can again be given allocation of elevators object floor, guides client at nearest floor descending stair or transfer to other elevators etc.; In like manner, when center service subsystem 50 detects that elevator leaves, but when client does not also go up ladder, will again help client's allocated elevators, and allocation result will be fed back to client by intelligent APP.
Intelligence APP has boarding and completes feedback function, and when client enters correct lift car, Hui Xiang center feedback is this time called ladder together and is assigned.
Described elevator group controlling subsystem 30 preferably can monitor the running state of the car of the elevator of more than two.
Except elevator group controlling subsystem 30, center service subsystem 50 also can be connected with multiple access control subsystem 60, elevator group controlling subsystem 30 simultaneously.
Described center service subsystem 50, simultaneously also for recording running state, the first Bluetooth base. station 10 and the recognition result of the second Bluetooth base. station 20 and the record of access control subsystem 60 master cock that described elevator group controlling subsystem 30 monitors.
A kind of elevator based on bluetooth discrepancy dispatching method is additionally provided in the specific embodiment of the invention, elevator discrepancy dispatching method realizes based on aforesaid elevator input-output control system, description not most in dispatching method come in and gone out by elevator, please refer to the embodiment of aforesaid elevator input-output control system.
Please refer to Fig. 2, it is the method flow diagram of a kind of discrepancy of the elevator based on the bluetooth dispatching method provided in the specific embodiment of the invention, and as shown in the figure, this elevator discrepancy dispatching method, comprising:
Step S201: initiate to call ladder request together to center service subsystem when client detects the first legal Bluetooth base. station;
Step S202: described center service subsystem according to described in call ladder request together and send door open command to access control subsystem, or send allocation of elevators instruction by allocation of elevators result feedback to client to elevator group controlling subsystem;
Step S203: when client detects the second legal Bluetooth base. station, the Bluetooth base. station data of carrying in the base station data of described second Bluetooth base. station and described allocation of elevators result are compared;
Step S204: if comparison result is inconsistent, described client sends boarding spurious signal respectively to user and center service subsystem.
In step S204, the signal sent to user is the appreciable cue of user, such as vibrations, the tinkle of bells, voice etc.; The signal sent to center service subsystem is data-signal, performs subsequent operation for center service subsystem.
In sum, by arranging Bluetooth base. station in escalator entrance and car, the boarding state judging client is identified according to Bluetooth base. station and the mutual of client, there is elevator group controlling subsystem to realize the scheduling of elevator, realized the monitoring of the forwarding of scheduling and the response condition of scheduling process by center service subsystem; Achieve the management simplification of access control process, hardware drops into and decline and installation and maintenance quick.
Need to further illustrate, come in and go out in dispatching method at elevator, still there is the direct colleague of the user to default access, rescheduling after boarding mistake, to implementation procedures such as the whole process records of whole scheduling process, well further illustrate at this.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1., based on an elevator input-output control system for bluetooth, it is characterized in that, comprising:
First Bluetooth base. station, is provided with base station IDs, is positioned over escalator entrance for sending Bluetooth broadcast information to client;
Second Bluetooth base. station, is provided with base station IDs, is positioned over car for sending Bluetooth broadcast information to client;
Elevator group controlling subsystem, for monitoring the running state of described car and generating allocation of elevators information according to the recognition result of described first Bluetooth base. station;
Center service subsystem, generates according to allocation of elevators information and base station IDs guidance information of coming in and going out for described client for allocation of elevators information being sent to client;
Elevator communication subsystem, for the communication between described center service subsystem and elevator group controlling subsystem.
2. elevator input-output control system according to claim 1, is characterized in that, also comprises access control subsystem, for controlling the switch of elevator door.
3. elevator input-output control system according to claim 2, is characterized in that, described access control subsystem, also for when described center service subsystem recognizes the client of default access, controls elevator and arrives corresponding floor.
4. elevator input-output control system according to claim 1, is characterized in that, described discrepancy guidance information comprises boarding guidance information and arrives at guidance information, records the base station IDs of the second Bluetooth base. station of the car of distribution in described boarding guidance information.
5. elevator input-output control system according to claim 4, it is characterized in that, when client detects that the current base station IDs of the second Bluetooth base. station is not mated with the base station IDs of distribution, client sends boarding spurious signal respectively to user and center service subsystem.
6. elevator input-output control system according to claim 1, it is characterized in that, described center service subsystem also for arranging the base station data of the first Bluetooth base. station and the second Bluetooth base. station, and records the title of the first Bluetooth base. station and the second Bluetooth base. station, base station IDs and base station functions.
7. elevator input-output control system according to claim 6, is characterized in that, described center service subsystem also for typing client-side information, and sends the base station data of the first Bluetooth base. station and the second Bluetooth base. station to client.
8. elevator input-output control system according to claim 1, is characterized in that, the running state of the car of described elevator group controlling subsystem monitors at least two elevators.
9. elevator input-output control system according to claim 2, it is characterized in that, described center service subsystem, also for the record of the recognition result and access control subsystem controls switch that record running state, the first Bluetooth base. station and the second Bluetooth base. station that described elevator group controlling subsystem monitors arrives.
10., based on an elevator discrepancy dispatching method for bluetooth, it is characterized in that, comprising:
Initiate to call ladder request together to center service subsystem when client detects the first legal Bluetooth base. station;
Described center service subsystem according to described in call ladder request together and send door open command to access control subsystem, or send allocation of elevators instruction by allocation of elevators result feedback to client to elevator group controlling subsystem;
When client detects the second legal Bluetooth base. station, the Bluetooth base. station data of carrying in the base station data of described second Bluetooth base. station and described allocation of elevators result are compared;
If comparison result is inconsistent, described client sends boarding spurious signal respectively to user and center service subsystem.
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| CN201510848963.1A CN105502111B (en) | 2015-11-27 | 2015-11-27 | A kind of elevator input-output control system and elevator discrepancy dispatching method based on bluetooth |
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| CN201510848963.1A CN105502111B (en) | 2015-11-27 | 2015-11-27 | A kind of elevator input-output control system and elevator discrepancy dispatching method based on bluetooth |
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| CN105502111B CN105502111B (en) | 2017-12-01 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018018527A1 (en) * | 2016-07-28 | 2018-02-01 | 孙秋实 | Ownership information prompting method for elevator floor restriction technology, and elevator |
| CN108298392A (en) * | 2017-01-13 | 2018-07-20 | 奥的斯电梯公司 | Communication system in elevator operation environment and communication means |
| CN109110593A (en) * | 2017-06-22 | 2019-01-01 | 奥的斯电梯公司 | Communication system and communication means for elevator device |
| WO2019015642A1 (en) * | 2017-07-19 | 2019-01-24 | 奥的斯电梯公司 | Smart guidance for controlling passenger to enter correct elevator car |
| WO2019015691A1 (en) * | 2017-07-21 | 2019-01-24 | 奥的斯电梯公司 | Automatic detection for abnormal movement of passenger in elevator |
| CN109678016A (en) * | 2018-12-29 | 2019-04-26 | 重庆大学 | A kind of elevator control method based on Bluetooth communication |
| CN109678017A (en) * | 2018-12-29 | 2019-04-26 | 重庆大学 | A kind of intelligent call method based on Bluetooth communication |
| CN110723604A (en) * | 2019-09-20 | 2020-01-24 | 深圳优地科技有限公司 | Elevator control method and device |
| CN110784503A (en) * | 2019-08-23 | 2020-02-11 | 腾讯科技（深圳）有限公司 | Elevator service providing method and device based on indoor positioning and electronic equipment |
| CN111091644A (en) * | 2018-10-24 | 2020-05-01 | 奥的斯电梯公司 | Authorization management of elevator service requests and authorization requests |
| CN111302171A (en) * | 2020-05-11 | 2020-06-19 | 季华实验室 | Elevator dispatching method, device, electronic equipment and storage medium |
| CN111615070A (en) * | 2020-05-28 | 2020-09-01 | 上海依图网络科技有限公司 | Service processing method and device |
| US11708239B2 (en) | 2017-07-20 | 2023-07-25 | Otis Elevator Company | Seamless tracking of passenger flow within an elevator cabin |
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| EP4149871A4 (en) * | 2020-05-13 | 2023-07-05 | KONE Corporation | Access solution for conveyor systems |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018018527A1 (en) * | 2016-07-28 | 2018-02-01 | 孙秋实 | Ownership information prompting method for elevator floor restriction technology, and elevator |
| CN108298392A (en) * | 2017-01-13 | 2018-07-20 | 奥的斯电梯公司 | Communication system in elevator operation environment and communication means |
| CN108298392B (en) * | 2017-01-13 | 2021-11-26 | 奥的斯电梯公司 | Communication system and communication method in elevator operating environment |
| CN109110593A (en) * | 2017-06-22 | 2019-01-01 | 奥的斯电梯公司 | Communication system and communication means for elevator device |
| WO2019015642A1 (en) * | 2017-07-19 | 2019-01-24 | 奥的斯电梯公司 | Smart guidance for controlling passenger to enter correct elevator car |
| US11661309B2 (en) | 2017-07-19 | 2023-05-30 | Otis Elevator Company | Smart guidance for controlling passenger to enter correct elevator car |
| US11708239B2 (en) | 2017-07-20 | 2023-07-25 | Otis Elevator Company | Seamless tracking of passenger flow within an elevator cabin |
| WO2019015691A1 (en) * | 2017-07-21 | 2019-01-24 | 奥的斯电梯公司 | Automatic detection for abnormal movement of passenger in elevator |
| CN109279466A (en) * | 2017-07-21 | 2019-01-29 | 奥的斯电梯公司 | The extremely mobile automatic detection of elevator passenger |
| CN109279466B (en) * | 2017-07-21 | 2021-08-17 | 奥的斯电梯公司 | Automatic detection of abnormal movement of elevator passengers |
| CN111091644A (en) * | 2018-10-24 | 2020-05-01 | 奥的斯电梯公司 | Authorization management of elevator service requests and authorization requests |
| CN109678016A (en) * | 2018-12-29 | 2019-04-26 | 重庆大学 | A kind of elevator control method based on Bluetooth communication |
| CN109678017A (en) * | 2018-12-29 | 2019-04-26 | 重庆大学 | A kind of intelligent call method based on Bluetooth communication |
| CN110784503A (en) * | 2019-08-23 | 2020-02-11 | 腾讯科技（深圳）有限公司 | Elevator service providing method and device based on indoor positioning and electronic equipment |
| CN110723604A (en) * | 2019-09-20 | 2020-01-24 | 深圳优地科技有限公司 | Elevator control method and device |
| CN110723604B (en) * | 2019-09-20 | 2022-03-22 | 深圳优地科技有限公司 | Elevator control method and device |
| CN111302171A (en) * | 2020-05-11 | 2020-06-19 | 季华实验室 | Elevator dispatching method, device, electronic equipment and storage medium |
| CN111615070A (en) * | 2020-05-28 | 2020-09-01 | 上海依图网络科技有限公司 | Service processing method and device |
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Address after: Nanxiang three road, Science City high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 2 510660 Patentee after: Hitachi building technologies (Guangzhou) Co. Ltd. Address before: Nanxiang three road, Science City high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 2 510660 Patentee before: Guangzhou Ropente Science and Technology Development Co., Ltd. |
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