CN106329345A - Power distribution cabinet with automatic cooling function - Google Patents
Power distribution cabinet with automatic cooling function Download PDFInfo
- Publication number
- CN106329345A CN106329345A CN201611019399.3A CN201611019399A CN106329345A CN 106329345 A CN106329345 A CN 106329345A CN 201611019399 A CN201611019399 A CN 201611019399A CN 106329345 A CN106329345 A CN 106329345A
- Authority
- CN
- China
- Prior art keywords
- power distribution
- distribution cabinet
- cabinet
- cooling function
- automatic cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a power distribution cabinet, in particular to a power distribution cabinet with an automatic cooling function. The power distribution cabinet comprises a power distribution cabinet body, claw plates, a handle, a lock, a placement plate, a rotating motor, a rotating rod and the like. The claw plates are arranged on left sides of first small holes respectively and connectedly welded to the top of the power distribution cabinet body, the top of the power distribution cabinet body is uniformly provided with grooves positioned on right sides of the first small holes, and the grooves are formed under right portions of the claw plates respectively. The rotating motor can be automatically controlled to operate for cooling the power distribution cabinet when the temperature exceeds a normal operation temperature of devices in the power distribution cabinet, and the rotating motor is automatically controlled to stop after the temperature of the power distribution cabinet is reduced to an appropriate temperature value. The power distribution cabinet with the automatic cooling function has advantages of high automation degree, convenience in temperature regulation and control and high practicality.
Description
Technical field
The present invention relates to a kind of power distribution cabinet, particularly relate to a kind of with can the power distribution cabinet of automatic cooling function.
Background technology
Power distribution cabinet, electrical equipment and circuit thereof are placed on chest therein, are used for distributing electric power energy.It is referred to as in electric distribution
The heart.They install the transformer station in enterprise concentratedly, electric energy are distributed to subordinate's controller switching equipment of different location.
Power distribution cabinet (case) sub-power power distribution cabinet (case) and light distribution cabinet (case), metering cabinet (case), be the end of distribution system
Level equipment.Power distribution cabinet is the general designation of motor control center.Power distribution cabinet uses, loop less occasion relatively decentralized in duty ratio；
The occasion that motor control center concentrates for load, loop is more.They are the electric energy of a certain for upper level controller switching equipment circuit
Distribute to load nearby.This grade of equipment reply load provides protection, monitors and control.
There is the shortcoming that automaticity is low, temperature adjusting is inconvenient, practicality is weak in existing power distribution cabinet, therefore needs badly and grind
To send out automaticity a kind of high, temperature adjusting is convenient, practical with can the power distribution cabinet of automatic cooling function.
Summary of the invention
(1) to solve the technical problem that
Automaticity is low, temperature adjusting is inconvenient, practicality is weak in order to overcome existing power distribution cabinet to exist for the present invention
Shortcoming, the technical problem to be solved in the present invention is to provide that a kind of automaticity is high, temperature adjusting convenient, practical with
Can the power distribution cabinet of automatic cooling function.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides such a with can the power distribution cabinet of automatic cooling function,
Include power distribution cabinet, claw type plate, handle, lock, place plate, electric rotating machine, bull stick, blade, foot rest, cabinet door and filter screen；Power distribution cabinet
Top has the first aperture equably, is equipped with claw type plate on the left of the first aperture, and claw type plate is welded to connect at power distribution cabinet top, joins
Electricity cabinet top has groove equably, and groove is positioned on the right side of the first aperture, and groove is positioned at the underface of claw type plate right part, power distribution cabinet
Passing on left the mode of gemel connection to connect and have cabinet door, cabinet door top has observation panel, and cabinet door right upper portion has been welded to connect handle
Hands, is provided with lock on the right side of cabinet door, lock is positioned at below handle, and in power distribution cabinet, lower weld connects placement plate, places on plate uniform
Have second orifice, the mode that power distribution cabinet inner bottom part is bolted connects electric rotating machine, the output shaft of electric rotating machine
Being connected by shaft coupling and have bull stick, the mode that the left and right sides, bull stick top is connected by screw connects blade, and blade is positioned to be put
Putting below plate, bottom, the power distribution cabinet left and right sides has the 3rd aperture equably, the most bonding connection in bottom, the left and right sides in power distribution cabinet
Having filter screen, power distribution cabinet bottom welding connects foot rest.
Preferably, also including controller and temperature sensor, in power distribution cabinet, bonding connection has temperature sensor, power distribution cabinet
Passing on left outward the mode that screw connects to connect and have controller, temperature sensor is connected with controller, electric rotating machine and controller
Connect.
Preferably, placing sheet material matter is rustless steel.
Preferably, the 3rd aperture tilts to be opened in bottom, the power distribution cabinet left and right sides, and angle of inclination is 45 degree.
Preferably, depth of groove is the 1/2 of power distribution cabinet thickness.
Operation principle: when the temperature increases, controls electric rotating machine and rotates, and drives bar rotation, thus band moving vane rotates,
Lower the temperature for power distribution cabinet, after temperature reduces, control electric rotating machine and close.Because bottom, the power distribution cabinet left and right sides has equably
Three apertures, and in power distribution cabinet, the bonding connection in bottom, the left and right sides has filter screen, the wind of outside enters in power distribution cabinet by the 3rd aperture,
Increasing the air flowing in power distribution cabinet, because there being the existence of filter screen to be possible to prevent the impurity of outside to enter in power distribution cabinet, impact is joined
In electricity cabinet, device is properly functioning.Power distribution cabinet top has the first aperture equably, can increase the air flowing in power distribution cabinet,
Such that it is able to reach the effect of fast cooling.Rain time, rainwater can flow in groove through the effect of claw type plate, first can in case
Only rainwater enters power distribution cabinet, and next may also reach up the effect of drain, makes rainwater quickly to flow out, when temperature is higher,
Groove can also increase the surface area of power distribution cabinet, increases radiating effect.Because cabinet door top has observation panel, staff is permissible
The device situation in power distribution cabinet is checked, such that it is able to be replaced in time and keep in repair by observation panel.It is provided with on the right side of cabinet door
Lock, it can be ensured that the safety of power distribution cabinet.
Because also including controller and temperature sensor, in power distribution cabinet, bonding connection has temperature sensor, outside power distribution cabinet
Passing on left the mode that screw connects to connect and have controller, temperature sensor is connected with controller, electric rotating machine and controller company
Connecing, when the temperature around power distribution cabinet is higher than 40 degree, signal is fed back to controller by temperature sensor, and controller controls electric rotating
Machine rotates, and band moving vane rotates, and increases the air flowing in power distribution cabinet, thus lowers the temperature for power distribution cabinet, the temperature around power distribution cabinet
When degree is less than 35 degree, signal is fed back to controller by temperature sensor, and controller controls electric rotating machine and cuts out.
The sea that controller selects sea, Xiamen to be Science and Technology Ltd.'s production is S32SOT type PLC, outside main frame
24VDC powers, 16 tunnel inputs, 16 tunnel outputs.
SunYuanSYLED6 digital display meter plug line accesses in transmitter measuring circuit, the function of this table be by 0-5V,
The pick-up signals such as 0-10V, 1-5V, 0-± 200mV, 0-20mA, 4-20mA, by the scope set, enter linearly, accordingly with ten
Digital quantity processed shows.By various related sensors, the physical quantitys such as temperature, pressure, flow, liquid level are converted into standard electric
After current voltage signal, then access this digital display meter, the physical quantitys such as temperature, pressure, flow, liquid level are shown in real time, convenient
User is monitored controlling.Meanwhile, digital display meter possesses warning function, and the isolated output switch parameter of band two-way, by presetting
Good relevant numerical value, such as: higher than a certain numerical value or less than a certain numerical value, it is possible to achieve show, control and report to the police.
Temperature sensor connects the first digital display meter that model is SYLED6, arranges two output switch parameter, if its temperature
Higher than 40 degree, when temperature is less than 35 degree, output signal.
The definition of input/output port is: X0 is activate switch, and X1 is shutdown switch, and X2 is emergency stop switch, and X3 is for connecting
First digital display meter the first switching value of temperature sensor, X4 is the first digital display meter second switch amount connecting temperature sensor；Y0
Catalyst KM0, Y1 for rotating for electric rotating machine is the catalyst KM1 closed for electric rotating machine, according to the electricity shown in Fig. 3
Gas control principle drawing, those skilled in the art need not performing creative labour, can be by trapezoidal pattern programming language, intuitively
Write out PLC and control each parts by above-mentioned operation principle and carry out the PLC program of action, it is achieved the intelligence of this plant running
Energyization, the dependent instruction of programming is all prior art, does not repeats them here.
(3) beneficial effect
The present invention can within temperature exceedes power distribution cabinet during device normal working temperature automatic control type rotating motor work, for
Power distribution cabinet is lowered the temperature, and after power distribution cabinet temperature drops to preference temperature value, automatic control type rotating motor cuts out, and automaticity is high, because of
Being welded with claw type plate equably for power distribution cabinet top, power distribution cabinet top has groove equably, can be anti-with drain rainwater time rainy
Only rainwater enters power distribution cabinet, may also operate as the effect of heat radiation during temperature height, thus this use is novel has reached automaticity
Effect high, that temperature adjusting is convenient, practical.
Accompanying drawing explanation
Fig. 1 is the first main TV structure schematic diagram of the present invention.
Fig. 2 is the second main TV structure schematic diagram of the present invention.
Fig. 3 is the electric control theory figure of the present invention.
Being labeled as in accompanying drawing: 1-power distribution cabinet, 2-the first aperture, 3-groove, 4-claw type plate, 5-observation panel, 6-handle, 7-
Lock, 8-places plate, 9-second orifice, 10-electric rotating machine, 11-bull stick, 12-blade, 13-the 3rd aperture, 14-foot rest, 15-cabinet
Door, 16-filter screen, 17-controller, 18-temperature sensor.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of with can the power distribution cabinet of automatic cooling function, as Figure 1-3, include power distribution cabinet 1, claw type plate 4, handle
6, lock 7, placement plate 8, electric rotating machine 10, bull stick 11, blade 12, foot rest 14, cabinet door 15 and filter screen 16；Power distribution cabinet 1 top is uniform
Have the first aperture 2, be equipped with claw type plate 4 on the left of the first aperture 2, claw type plate 4 is welded to connect at power distribution cabinet 1 top, distribution
Cabinet 1 top has groove 3 equably, and groove 3 is positioned on the right side of the first aperture 2, and groove 3 is positioned at the underface of claw type plate 4 right part, joins
The mode that electric cabinet 1 passes on left gemel connection connects cabinet door 15, and cabinet door 15 top has observation panel 5, cabinet door 15 right upper portion
Being welded to connect with handles 6, be provided with lock 7 on the right side of cabinet door 15, lock 7 is positioned at below handle 6, and in power distribution cabinet 1, lower weld connects has
Placing plate 8, place and have second orifice 9 equably on plate 8, the mode that power distribution cabinet 1 inner bottom part is bolted connects rotation
Rotating motor 10, the output shaft of electric rotating machine 10 is connected by shaft coupling has bull stick 11, the left and right sides, bull stick 11 top to pass through screw
The mode connected connects and has blade 12, and blade 12 is positioned at below placement plate 8, and bottom, power distribution cabinet 1 left and right sides has the equably
Three apertures 13, in power distribution cabinet 1, the most bonding connection in bottom, the left and right sides has filter screen 16, and power distribution cabinet 1 bottom welding connects foot rest 14.
Also including controller 17 and temperature sensor 18, in power distribution cabinet 1, bonding connection has temperature sensor 18, power distribution cabinet
Passing on left the mode that screw connects outside 1 to connect and have controller 17, temperature sensor 18 is connected with controller 17, electric rotating machine 10
It is connected with controller 17.
Placing plate 8 material is rustless steel.
3rd aperture 13 tilts to be opened in bottom, power distribution cabinet 1 left and right sides, and angle of inclination is 45 degree.
Groove 3 degree of depth is the 1/2 of power distribution cabinet 1 thickness.
Operation principle: when the temperature increases, controls electric rotating machine 10 and rotates, and drives bull stick 11 to rotate, thus band moving vane
12 rotate, and lower the temperature for power distribution cabinet 1, after temperature reduces, control electric rotating machine 10 and close.Because bottom, power distribution cabinet 1 left and right sides
In having the 3rd aperture 13, and power distribution cabinet 1 equably, the bonding connection in bottom, the left and right sides has filter screen 16, and the wind of outside passes through the 3rd
Aperture 13 enters in power distribution cabinet 1, increases the air flowing in power distribution cabinet 1, because there being the existence of filter screen 16 to be possible to prevent outside
Impurity enters in power distribution cabinet 1, affects the properly functioning of device in power distribution cabinet 1.Power distribution cabinet 1 top has the first aperture 2 equably,
The air flowing in power distribution cabinet 1 can be increased, such that it is able to reach the effect of fast cooling.When raining, rainwater is through claw type plate 4
Effect can flow in groove 3, be first possible to prevent rainwater enter power distribution cabinet 1, next may also reach up the effect of drain, makes rain
Water can quickly flow out, and when temperature is higher, groove 3 can also increase the surface area of power distribution cabinet 1, increases radiating effect.Cause
Having observation panel 5 for cabinet door 15 top, staff can check the device situation in power distribution cabinet 1 by observation panel 5, thus can
To be replaced in time and to keep in repair.Lock 7 is installed, it can be ensured that the safety of power distribution cabinet 1 on the right side of cabinet door 15.
Because also including controller 17 and temperature sensor 18, in power distribution cabinet 1, bonding connection has temperature sensor 18, joins
Passing on left the mode that screw connects outside electricity cabinet 1 to connect and have controller 17, temperature sensor 18 is connected with controller 17, electric rotating
Machine 10 is connected with controller 17, and when the temperature around power distribution cabinet 1 is higher than 40 degree, signal is fed back to control by temperature sensor 18
Device 17, controller 17 controls electric rotating machine 10 and rotates, and band moving vane 12 rotates, and increases the air flowing in power distribution cabinet 1, thus is
Power distribution cabinet 1 is lowered the temperature, and when the temperature around power distribution cabinet 1 is less than 35 degree, signal is fed back to controller 17 by temperature sensor 18, control
Device 17 processed controls electric rotating machine 10 and cuts out.
The sea that controller 17 selects sea, Xiamen to be Science and Technology Ltd.'s production is S32SOT type PLC 17, outside main frame
Portion 24VDC powers, 16 tunnel inputs, 16 tunnel outputs.
SunYuanSYLED6 digital display meter plug line accesses in transmitter measuring circuit, the function of this table be by 0-5V,
The pick-up signals such as 0-10V, 1-5V, 0-± 200mV, 0-20mA, 4-20mA, by the scope set, enter linearly, accordingly with ten
Digital quantity processed shows.By various related sensors, the physical quantitys such as temperature, pressure, flow, liquid level are converted into standard electric
After current voltage signal, then access this digital display meter, the physical quantitys such as temperature, pressure, flow, liquid level are shown in real time, convenient
User is monitored controlling.Meanwhile, digital display meter possesses warning function, and the isolated output switch parameter of band two-way, by presetting
Good relevant numerical value, such as: higher than a certain numerical value or less than a certain numerical value, it is possible to achieve show, control and report to the police.
Temperature sensor 18 connects the first digital display meter that model is SYLED6, arranges two output switch parameter, if it is warm
Degree is higher than 40 degree, when temperature is less than 35 degree, and output signal.
The definition of input/output port is: X0 is activate switch, and X1 is shutdown switch, and X2 is emergency stop switch, and X3 is for connecting
First digital display meter the first switching value of temperature sensor 18, X4 is the first digital display meter second switch connecting temperature sensor 18
Amount；Y0 be for electric rotating machine 10 rotate catalyst KM0, Y1 be for electric rotating machine 10 close catalyst KM1, according to figure
Electric control theory figure shown in 3, those skilled in the art need not performing creative labour, can pass through trapezoidal pattern programming
Language, writes out PLC 17 intuitively and carries out the PLC program of action by the above-mentioned operation principle each parts of control, it is achieved this
The intellectuality of plant running, the dependent instruction of programming is all prior art, does not repeats them here.
Embodiment described above only have expressed the preferred embodiment of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to making some deformation, improve and substitute, these broadly fall into this
Bright protection domain.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. one kind with can the power distribution cabinet of automatic cooling function, it is characterised in that include power distribution cabinet (1), claw type plate (4),
Hands (6), lock (7), placement plate (8), electric rotating machine (10), bull stick (11), blade (12), foot rest (14), cabinet door (15) and filter screen
(16)；Power distribution cabinet (1) top has the first aperture (2) equably, and the first aperture (2) left side is equipped with claw type plate (4), claw type plate
(4) being welded to connect at power distribution cabinet (1) top, power distribution cabinet (1) top has groove (3) equably, and groove (3) is positioned at the first aperture
(2) right side, groove (3) is positioned at the underface of claw type plate (4) right part, and power distribution cabinet (1) passes on left the mode of gemel connection and connects
Having cabinet door (15), cabinet door (15) top to have observation panel (5), cabinet door (15) right upper portion is welded to connect (6) with handles, cabinet door
(15) right side is provided with lock (7), and lock (7) is positioned at handle (6) lower section, and power distribution cabinet (1) interior lower weld connects placement plate (8),
Placing and have second orifice (9) equably on plate (8), the mode that power distribution cabinet (1) inner bottom part is bolted connects rotation
Motor (10), the output shaft of electric rotating machine (10) is connected by shaft coupling bull stick (11), and bull stick (11) left and right sides, top leads to
Crossing the mode that screw connects to connect and have blade (12), blade (12) is positioned at placement plate (8) lower section, under power distribution cabinet (1) left and right sides
Portion has the 3rd aperture (13) equably, and the most bonding connection in bottom, power distribution cabinet (1) the interior left and right sides has filter screen (16), power distribution cabinet
(1) bottom welding connects foot rest (14).
The most according to claim 1 a kind of with can the power distribution cabinet of automatic cooling function, it is characterised in that also to include control
Device processed (17) and temperature sensor (18), in power distribution cabinet (1), bonding connection has temperature sensor (18), power distribution cabinet (1) left side outward
The mode being connected by screw connects controller (17), and temperature sensor (18) is connected with controller (17), electric rotating machine
(10) it is connected with controller (17).
The most according to claim 1 a kind of with can the power distribution cabinet of automatic cooling function, it is characterised in that to place plate (8)
Material is rustless steel.
The most according to claim 1 a kind of with can the power distribution cabinet of automatic cooling function, it is characterised in that the 3rd aperture
(13) tilting to be opened in power distribution cabinet (1) bottom, the left and right sides, angle of inclination is 45 degree.
The most according to claim 1 a kind of with can the power distribution cabinet of automatic cooling function, it is characterised in that groove (3) is deep
Degree is the 1/2 of power distribution cabinet (1) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019399.3A CN106329345B (en) | 2016-11-21 | 2016-11-21 | It is a kind of with can automatic cooling function power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019399.3A CN106329345B (en) | 2016-11-21 | 2016-11-21 | It is a kind of with can automatic cooling function power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106329345A true CN106329345A (en) | 2017-01-11 |
| CN106329345B CN106329345B (en) | 2018-06-19 |
Family
ID=57816599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611019399.3A Active CN106329345B (en) | 2016-11-21 | 2016-11-21 | It is a kind of with can automatic cooling function power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329345B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013934A (en) * | 1998-06-23 | 2000-01-14 | Nissin Electric Co Ltd | Outdoor switch gear |
| JP2005228780A (en) * | 2004-02-10 | 2005-08-25 | Matsushita Electric Ind Co Ltd | Outdoor installed electric apparatus cabinet |
| CN102387685A (en) * | 2011-09-15 | 2012-03-21 | 安徽省电力公司铜陵供电公司 | Condensation water collecting plate for electric equipment cabinet |
| CN105914620A (en) * | 2016-06-28 | 2016-08-31 | 国网山东省电力公司蓬莱市供电公司 | Power multifunctional equipment box |
| CN205680973U (en) * | 2016-06-16 | 2016-11-09 | 成都金涛电气设备制造有限公司 | A kind of distribution transformer integrated power distribution cabinet |
-
2016
- 2016-11-21 CN CN201611019399.3A patent/CN106329345B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013934A (en) * | 1998-06-23 | 2000-01-14 | Nissin Electric Co Ltd | Outdoor switch gear |
| JP2005228780A (en) * | 2004-02-10 | 2005-08-25 | Matsushita Electric Ind Co Ltd | Outdoor installed electric apparatus cabinet |
| CN102387685A (en) * | 2011-09-15 | 2012-03-21 | 安徽省电力公司铜陵供电公司 | Condensation water collecting plate for electric equipment cabinet |
| CN205680973U (en) * | 2016-06-16 | 2016-11-09 | 成都金涛电气设备制造有限公司 | A kind of distribution transformer integrated power distribution cabinet |
| CN105914620A (en) * | 2016-06-28 | 2016-08-31 | 国网山东省电力公司蓬莱市供电公司 | Power multifunctional equipment box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106329345B (en) | 2018-06-19 |
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Effective date of registration: 20180514 Address after: 510700 Guangdong province Guangzhou Whampoa development road General Hill Road section Guangzhou Whampoa construction machinery Park No. 8 West District C19 building 16 Applicant after: GUANGZHOU KUNKAI MECHANICAL AND ELECTRICAL EQUIPMENT CO., LTD. Address before: 312500 No. 158, tazhai Li village, Hui Shan town, Xinchang County, Shaoxing, Zhejiang Applicant before: Liang Chaping |
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