CN105679993A - Injection device of alkaline dry battery electrolyte - Google Patents
Injection device of alkaline dry battery electrolyte Download PDFInfo
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- CN105679993A CN105679993A CN201610258161.XA CN201610258161A CN105679993A CN 105679993 A CN105679993 A CN 105679993A CN 201610258161 A CN201610258161 A CN 201610258161A CN 105679993 A CN105679993 A CN 105679993A
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- electrolyte
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- injection device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention relates to an injection device of alkaline dry battery electrolyte. The injection device comprises a first operating platform (2) rotating synchronously with a mainframe main shaft (1), a second operating platform (2) and a middle rotating disc (4), and further comprises an injection mechanism (10), wherein the injection mechanism (10) comprises a first barrel (100), an injection rod (101) and a second barrel (102); the second barrel (102) is provided with a liquid channel (1020) for electrolyte to flow, a liquid inlet (1021) and a capillary opening (1022) formed in the outer wall of the second barrel (102); the injection device further comprises an air exhaust mechanism (11) which is arranged below the first barrel (100) and is communicated with a liquid cavity (10010). In the injection device, the absorption mode of electrolyte adopts absorption under negative pressure, namely the absorption environment of electrolyte is a negative-pressure environment, in the negative-pressure environment, the absorption effect of electrolyte is better, the time when electrolyte is exposed to the air is short, and electrolyte has low probability of deterioration.
Description
Technical field
The present invention relates to alkaline dry battery technical field, particularly relate to a kind of alkaline dry battery electrolyte injection device.
Background technology
Injecting mechanism in basic dry cell zinc injection glue and electrolytic solution machine is the critical component of this machine, it can directly influence electrolyte inject measuring accuracy and properties of product, alkaline dry battery electrolyte injecting mechanism of the prior art be generally adopted battery directly utilize in injection process cam mechanism reach move up and down. The Chinese patent that Granted publication is CN201146211Y, disclose the injecting mechanism in a kind of basic dry cell zinc injection glue and electrolytic solution machine, during use, this technical scheme adopts upper and lower cam to control the upper and lower motion to the piston rod respectively reaching in piston pump and battery of ascending unit and thrustor respectively, thus completing to be drawn in piston pump electrolyte from cylinder, again the electrolyte in piston pump is injected into the process in battery.
React according to inventor, this mechanism in use yet suffers from some shortcomings, if this electrolyte is Electolyte-absorptive under atmospheric pressure state, the absorption of its electrolyte is abundant not, and the air in anode ring is not easily discharged, the problems such as electrolyte soak time is longer, and alkaline electrolyte cruelly to leak the aerial time more long, more easily causing electrolyte carbonating and moisture evaporation, the internal resistance causing battery is increased by everything, and heavy load discharge characteristic is deteriorated and the defect such as poor storage performance.
Summary of the invention
An object of the present invention is for the deficiencies in the prior art part, overcomes electrolyte under atmospheric pressure state and absorbs insufficient problem, it is provided that a kind of device, improves infiltration rate and the absorption efficiency of electrolyte, and the time of contact of electrolyte and air is short.
A kind of alkaline dry battery electrolyte injection device, including with the first workbench of main frame main shaft synchronous rotary, the second workbench and middle rotating disk, it is arranged on the cam on the downside of main frame upper plate, the drive link described middle rotating disk of traverse of described cam, it is arranged on the intermediate connecting sleeve below middle rotating disk, one end of described drive link is connected with described cam, and its other end is arranged in described intermediate connecting sleeve, it is arranged on described second workbench and with main frame, the cup of middle rotating disk synchronous rotary, described cup is provided with battery, also include injection structure, described injection structure includes the first cylinder, injection rod and the second cylinder, one end of described injection rod is arranged in described first cylinder, its other end is connected with described drive link and is arranged in described intermediate connecting sleeve, described first cylinder includes cavity, liquid injection port and liquid outlet, described second cylinder is arranged on the lower section of described first cylinder, described second cylinder is provided for the fluid passage of electrolyte flow, inlet and be arranged on the pore of its outer wall, the liquid outlet of described first cylinder connects with the inlet of described second cylinder, described injection rod has fluid flow paths and electrolyte inlet, and its end offers connector, during work, the electrolyte in described cavity is entered in described fluid flow paths by described electrolyte inlet, and injection rod moves down, and described connector connects with described liquid outlet and described inlet, and described electrolyte enters in described fluid flow paths, also including being arranged on the extraction sector connected below described first cylinder and with liquid cabin, this extraction sector includes the gas passage of both ends open, and the first opening of this gas passage passes in described liquid cabin, and its second opening passes in described battery.
Beneficial effects of the present invention:
(1) the invention provides a kind of alkaline dry battery electrolyte injection device, electrolyte absorption pattern in injection mechanism in this device is negative pressure absorbing, namely the absorption environment of electrolyte is subnormal ambient, in such a case, the assimilation effect of electrolyte is better, and the sudden and violent leakage aerial time, electrolyte is unlikely to deteriorate.
(2) the ingenious ingenious combination utilizing injection rod and the second cylinder of the present invention, is capable of the circulation of electrolyte in the lower section that coordinates of the two, and electrolyte can be entered the second cylinder by injection rod, and then enters to described battery; Meanwhile, the technical program can utilize air extraction structure, gas in battery is extracted, relative negative pressuren zone is formed at inside battery, now electrolyte can spray along the pore of the second cylinder to surrounding, negative pressure can better realize the absorption of electrolyte on the one hand, and can being formed of electrolyte is sprayed and leave to surrounding on the other hand, uniform absorption; And after in the battery of electrolyte entrance negative relative, owing to gas content is less, it is little with the contact probability of air, is unlikely to deteriorate; Extraction sector and mechanism for filling liquid can be united two into one by mechanism dexterously, realize the effect of mutually promoting of injection and evacuation dexterously.
(3) air in battery case is washed out by the technical program under the effect of extraction sector, after again it is squeezed into downwards, this gas is as driving another power of being sprayed by pore of electrolyte to surrounding, it is possible to advantageously promote absorption and the infiltration of electrolyte.
(4) during work, having electrolyte in cavity, its interior electrolyte can form fluid-tight always, places gas space on injection rod top in liquid cabin and cavity and carries out gas exchange, affects the Effec-tive Function of extraction sector.
Preferred as one, the inlet of the liquid outlet of described first cylinder and described second cylinder passes through soft pipe connection. Flexible pipe has deformable, easily detachable feature.
Preferred as one, also include cooling gas check valve, described cooling gas check valve is arranged on the junction of described first opening and described liquid cabin; Also including liquid non-return valve, described liquid non-return valve is arranged on the junction of described liquid outlet and described inlet, and described liquid can be flowed into described inlet by described liquid outlet. During work, electrolyte in described cavity is entered in described fluid flow paths by described electrolyte inlet, injection rod moves down, connect to described connector with described liquid outlet and described inlet, described electrolyte enters to after in described fluid passage, electrolyte is in fluid passage, and owing to the aperture of pore is less, its insufficient pressure is to be discharged electrolyte by fluid passage; Then, injection rod moves up, and the air in battery is displaced downwardly in liquid cabin in the effect of extraction sector, along with the displacement of injection rod increases, gradually forming negative pressuren zone in battery, now electrolyte is sprayed to surrounding by pore under the effect of pressure reduction, for absorption; Finally, injection rod continues to move downward, and electrolyte is penetrated by pore and again injects the electrolyte of a new round in fluid passage by further. In this technical scheme, its effect can be realized more accurately at cooling gas check valve and liquid non-return valve.
Preferred as one, described cooling gas check valve includes the bullet of one end open, one end closing, and described bullet is provided with, near the position of cone point, otch of giving vent to anger; The cone of described bullet is sharp towards described first opening. This cooling gas check valve can not only carry out unidirectional gas flowing, and this bullet is prevented from liquid by liquid cabin by the first opening inflow battery simultaneously.
Preferred as one, the inner diameter values that external diameter value D1=0.6-0.8d, d are battery of described second cylinder.
Preferred as one, described pore is along the intensive setting of outer wall of described second cylinder.
Preferred as one, described pore cross section is tubaeform; The tubaeform spray regime that can increase electrolyte.
Preferred as one, described drive link is provided with limit sensors, for limiting the displacement of described drive link.
Preferred as one, also include liquid supplementation pipe, described liquid supplementation pipe is communicated in described fluid flow paths for electrolyte is fed.
Preferred as one, it is provided with liquid level sensor in described cavity, the top being positioned at described electrolyte inlet of described liquid level sensor, this sensor ensure that be positioned on electrolyte inlet in cavity is full of electrolyte, the normal operation of such guarantee the first cylinder, injection rod and the second cylinder always.
Accompanying drawing explanation
Technical scheme for the clearer explanation embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, drawings discussed below is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of alkaline dry battery electrolyte injection device.
Fig. 2 is the contour structures schematic diagram of injection structure.
Fig. 3 is the sectional structure schematic diagram of injection structure.
Fig. 4 is the close-up schematic view of liquid outlet and inlet position.
Fig. 5 is the structural representation of cooling gas check valve.
Fig. 6 is the outer wall close-up schematic view of the second cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is illustrated clearly and completely.
Embodiment
As shown in Figure 1, a kind of alkaline dry battery electrolyte injection device, including first workbench the 2, second workbench 3 and centre rotating disk 4 with main frame main shaft 1 synchronous rotary, it is arranged on the cam 6 on the downside of main frame upper plate 5, the drive link 60 described middle rotating disk 4 of traverse of described cam 6, being arranged on the intermediate connecting sleeve 7 below middle rotating disk 4, one end of described drive link 60 is connected with described cam 6, and its other end is arranged in described intermediate connecting sleeve 7; It is arranged on described second workbench 3 and with the cup 8 of main frame, middle rotating disk 4 synchronous rotary, described cup 8 is provided with battery 9,
Also include injection mechanism 10, such as Fig. 1, shown in Fig. 2 and Fig. 3, described injection mechanism 10 includes the first cylinder 100, injection rod 101 and the second cylinder 102, one end of described injection rod 101 is arranged in described first cylinder 100, its other end is connected with described drive link 60 and is arranged in described intermediate connecting sleeve 7, described first cylinder 100 includes cavity 1001, liquid injection port 1002 and liquid outlet 1003, described second cylinder 102 is arranged on the lower section of described first cylinder 100, described second cylinder 102 is provided for the fluid passage 1020 of electrolyte flow, inlet 1021 and be arranged on the pore 1022 of its outer wall, the liquid outlet 1003 of described first cylinder connects with the inlet 1021 of described second cylinder, described injection rod 101 has fluid flow paths 1010 and electrolyte inlet 1011, and its end offers connector 1012,
During work, electrolyte in described cavity 1001 is entered in described fluid flow paths 1010 by described electrolyte inlet 1011, injection rod 101 moves down, described connector 1012 connects with described liquid outlet 1003 and described inlet 1021, and described electrolyte enters in described fluid passage 1020; Also include being arranged on the extraction sector 11 connected below described first cylinder 100 and with liquid cabin 10010, this extraction sector 11 includes the gas passage 110 of both ends open, first opening 111 of this gas passage 110 passes in described liquid cabin 10010, and its second opening 112 passes in described battery 9.
As in figure 2 it is shown, in the present embodiment, the liquid outlet 1003 of described first cylinder 100 is connected by flexible pipe 12 with the inlet 1021 of described second cylinder 102.
As shown in Figures 4 and 5, also including cooling gas check valve 130, described cooling gas check valve 13 is arranged on the junction of described first opening 111 and described liquid cabin 10010; Also including liquid non-return valve 131, described liquid non-return valve 131 is arranged on the junction of described liquid outlet 1003 and described inlet 1021, and described liquid can be flowed into described inlet 1021 by described liquid outlet 1003.
As it is shown in figure 5, described cooling gas check valve 13 includes the bullet 130 of one end open, one end closing, and described bullet is provided with, near the position of cone point, otch 1310 of giving vent to anger; The cone of described bullet is sharp towards described first opening 111.
In the present embodiment, the inner diameter values that external diameter value D1=0.6-0.8d, d are battery 9 of described second cylinder 102, under this ratio, this electrolyte could better spray.
As shown in Figure 6, described pore 1022 is along the intensive setting of outer wall of described second cylinder 102. Described pore 102 cross section is tubaeform.
In actual use, for easy to use, limit sensors can be set at described drive link 60, for limiting the displacement of described drive link 60, can also arranging liquid supplementation pipe 14, described liquid supplementation pipe 14 is communicated in described fluid flow paths 1010 for electrolyte is fed. For ensureing being smoothed out of fluid injection, it is also possible to arrange liquid level sensor 15 in described cavity 1001, the top being positioned at described electrolyte inlet 1011 of described liquid level sensor 15.
During work, electrolyte in described cavity 1001 is entered in described fluid flow paths 1010 by described electrolyte inlet 1011, injection rod 101 moves down, connect to described connector 1012 with described liquid outlet 1003 and described inlet 1021, described electrolyte enters to after in described fluid passage 1020, electrolyte is in fluid passage 1020, and owing to the aperture of pore 1022 is less, its insufficient pressure is to be discharged electrolyte by fluid passage 1020; Then, injection rod 101 moves up, air extraction structure 11 works, air in battery 9 is displaced downwardly in liquid cabin 10010 in the effect of extraction sector 11, along with the displacement of injection rod 101 increases, gradually forming negative pressuren zone in battery 9, now electrolyte is sprayed to surrounding by pore 1022 under the effect of pressure reduction, for absorption; Finally, injection rod 101 changes and moves downwardly, and electrolyte remaining in fluid passage 1020 is penetrated by pore 1022 and again injects the electrolyte of a new round in fluid passage 1020 by further. In this technical scheme, its effect can be realized more accurately under the effect of cooling gas check valve 13 and liquid non-return valve 131.
As shown in Figure 4, in implementation process, when injection rod 101 moves down, liquid non-return valve 131 works, and liquid can be flowed in described inlet 1021 by flexible pipe 12 by liquid outlet 1003, and now cooling gas check valve 13 does not work substantially; As it is shown in figure 5, when injection rod 101 moves up, cooling gas check valve 130 works, gas can be entered in described liquid cabin 10010 by the first opening 111.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. an alkaline dry battery electrolyte injection device, including with first workbench (2) of main frame main shaft (1) synchronous rotary, the second workbench (3) and middle rotating disk (4), it is arranged on the cam (6) of main frame upper plate (5) downside, drive link (60) the described middle rotating disk (4) of traverse of described cam (6), it is arranged on the intermediate connecting sleeve (7) of middle rotating disk (4) lower section, one end of described drive link (60) is connected with described cam (6), and its other end is arranged in described intermediate connecting sleeve (7), it is arranged on described second workbench (3) and with main frame, the cup (8) of middle rotating disk (4) synchronous rotary, described cup (8) is provided with battery (9), it is characterized in that: also include injection mechanism (10), described injection mechanism (10) includes the first cylinder (100), injection rod (101) and the second cylinder (102), one end of described injection rod (101) is arranged in described first cylinder (100), its other end is connected with described drive link (60) and is arranged in described intermediate connecting sleeve (7), described first cylinder (100) includes cavity (1001), liquid injection port (1002) and liquid outlet (1003), described second cylinder (102) is arranged on the lower section of described first cylinder (100), described second cylinder (102) is provided for the fluid passage (1020) of electrolyte flow, inlet (1021) and be arranged on the pore (1022) of its outer wall, the liquid outlet (1003) of described first cylinder connects with the inlet (1021) of described second cylinder, described injection rod (101) has fluid flow paths (1010) and electrolyte inlet (1011), and its end offers connector (1012), during work, electrolyte in described cavity (1001) is entered in described fluid flow paths (1010) by described electrolyte inlet (1011), injection rod (101) moves down, described connector (1012) connects with described liquid outlet (1003) and described inlet (1021), and described electrolyte enters in described fluid passage (1020), also include the extraction sector (11) being arranged on described first cylinder (100) lower section and connecting with liquid cabin (10010), this extraction sector (11) includes the gas passage (110) of both ends open, first opening (111) of this gas passage (110) passes in described liquid cabin (10010), and its second opening (112) passes in described battery (9).
2. a kind of alkaline dry battery electrolyte injection device as claimed in claim 1, it is characterized in that, the liquid outlet (1003) of described first cylinder (100) is connected by flexible pipe (12) with the inlet (1021) of described second cylinder (102).
3. a kind of alkaline dry battery electrolyte injection device as claimed in claim 1, it is characterized in that, also including cooling gas check valve (13), described cooling gas check valve (13) is arranged on the junction of described first opening (111) and described liquid cabin (10010); Also include liquid non-return valve (131), described liquid non-return valve (131) is arranged on the junction of described liquid outlet (1003) and described inlet (1021), and described liquid can be flowed into described inlet (1021) by described liquid outlet (1003).
4. a kind of alkaline dry battery electrolyte injection device as claimed in claim 3, it is characterized in that, described cooling gas check valve (13) includes the bullet (130) of one end open, one end closing, and described bullet is provided with otch of giving vent to anger (1310) near the position of cone point; The cone of described bullet is sharp towards described first opening (111).
5. a kind of alkaline dry battery electrolyte injection device as described in as arbitrary in Claims 1-4, it is characterised in that the inner diameter values that external diameter value D1=0.6-0.8d, d are battery (9) of described second cylinder (102).
6. as claimed in claim 1 a kind of alkaline dry battery electrolyte injection device, it is characterised in that described pore (1022) is along the intensive setting of outer wall of described second cylinder (102).
7. a kind of alkaline dry battery electrolyte injection device as claimed in claim 6, it is characterised in that described pore (1022) cross section is tubaeform.
8. a kind of alkaline dry battery electrolyte injection device as claimed in claim 1, it is characterised in that described drive link (60) is provided with limit sensors, is used for limiting the displacement of described drive link (60).
9. a kind of alkaline dry battery electrolyte injection device as described in as arbitrary in Claims 1-4, it is characterized in that, also including liquid supplementation pipe (14), described liquid supplementation pipe (14) is communicated in described fluid flow paths (1010) for electrolyte is fed.
10. a kind of alkaline dry battery electrolyte injection device as claimed in claim 9, it is characterized in that, liquid level sensor (15), the top being positioned at described electrolyte inlet (1011) of described liquid level sensor (15) it is provided with in described cavity (1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258161.XA CN105679993B (en) | 2016-04-22 | 2016-04-22 | A kind of alkaline dry battery electrolyte injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610258161.XA CN105679993B (en) | 2016-04-22 | 2016-04-22 | A kind of alkaline dry battery electrolyte injection device |
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| CN105679993A true CN105679993A (en) | 2016-06-15 |
| CN105679993B CN105679993B (en) | 2017-12-01 |
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| CN201610258161.XA Active CN105679993B (en) | 2016-04-22 | 2016-04-22 | A kind of alkaline dry battery electrolyte injection device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5487417A (en) * | 1993-09-03 | 1996-01-30 | Toshiba Battery Co., Ltd. | Electrolyte injection apparatus |
| CN101017889A (en) * | 2007-02-06 | 2007-08-15 | 宁波博大梧桐电池科技有限公司 | Alkaline dry battery electrolyte vacuum absorption device |
| CN200978786Y (en) * | 2006-12-08 | 2007-11-21 | 宁波博大梧桐电池科技有限公司 | Piston pump for alkaline dry cell zinc-implanted glue and electrolytic fluid |
| CN201008006Y (en) * | 2007-02-06 | 2008-01-16 | 宁波博大梧桐电池科技有限公司 | Alkaline dry cell electrolyte vacuum absorption plant |
| CN201146211Y (en) * | 2008-01-09 | 2008-11-05 | 宁波博大梧桐电池科技有限公司 | Injection mechanism for alkaline dry cell zincium-infusing glue and electrolytic solution machine |
| US20130029186A1 (en) * | 2010-04-07 | 2013-01-31 | Nissan Motor Co., Ltd. | Electrolyte injection device and electrolyte injection method |
| CN204067489U (en) * | 2014-07-10 | 2014-12-31 | 宁波博大梧桐电池科技有限公司 | Alkaline battery imbibition vacuum hood device |
| CN205723754U (en) * | 2016-04-22 | 2016-11-23 | 浙江昀邦电池有限公司 | A kind of alkaline dry battery electrolyte injection device |
-
2016
- 2016-04-22 CN CN201610258161.XA patent/CN105679993B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5487417A (en) * | 1993-09-03 | 1996-01-30 | Toshiba Battery Co., Ltd. | Electrolyte injection apparatus |
| CN200978786Y (en) * | 2006-12-08 | 2007-11-21 | 宁波博大梧桐电池科技有限公司 | Piston pump for alkaline dry cell zinc-implanted glue and electrolytic fluid |
| CN101017889A (en) * | 2007-02-06 | 2007-08-15 | 宁波博大梧桐电池科技有限公司 | Alkaline dry battery electrolyte vacuum absorption device |
| CN201008006Y (en) * | 2007-02-06 | 2008-01-16 | 宁波博大梧桐电池科技有限公司 | Alkaline dry cell electrolyte vacuum absorption plant |
| CN201146211Y (en) * | 2008-01-09 | 2008-11-05 | 宁波博大梧桐电池科技有限公司 | Injection mechanism for alkaline dry cell zincium-infusing glue and electrolytic solution machine |
| US20130029186A1 (en) * | 2010-04-07 | 2013-01-31 | Nissan Motor Co., Ltd. | Electrolyte injection device and electrolyte injection method |
| CN204067489U (en) * | 2014-07-10 | 2014-12-31 | 宁波博大梧桐电池科技有限公司 | Alkaline battery imbibition vacuum hood device |
| CN205723754U (en) * | 2016-04-22 | 2016-11-23 | 浙江昀邦电池有限公司 | A kind of alkaline dry battery electrolyte injection device |
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| CN105679993B (en) | 2017-12-01 |
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Inventor after: Ding Cheng Inventor before: Ding Chen |
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Denomination of invention: An electrolyte injection device for alkaline dry battery Effective date of registration: 20210923 Granted publication date: 20171201 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG YUNBANG BATTERY Co.,Ltd. Registration number: Y2021980009712 |
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