CN109514340B - Dustless perforating device for electric appliance cabinet - Google Patents
Dustless perforating device for electric appliance cabinet Download PDFInfo
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- CN109514340B CN109514340B CN201910023556.5A CN201910023556A CN109514340B CN 109514340 B CN109514340 B CN 109514340B CN 201910023556 A CN201910023556 A CN 201910023556A CN 109514340 B CN109514340 B CN 109514340B
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- sealing cover
- opening
- sleeve
- arc
- collecting groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0071—Devices for removing chips dust collectors for hand tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a dust-free perforating device of an electrical cabinet, which comprises: the first sealing cover is provided with an opening at one side, a perforation is arranged on one side of the first sealing cover corresponding to one side of the opening, a sleeve is arranged in the perforation, a motor rotating shaft is coaxially sleeved in the sleeve, the motor rotating shaft is slightly smaller than the inner diameter of the sleeve, and a drill bit is arranged on the motor rotating shaft; a second seal cover having an opening at one side thereof, the opening side of the second seal cover being opposite to the opening side of the first seal cover; the side face, close to the opening, of the first sealing cover and the side face, close to the opening, of the second sealing cover are provided with sealing gaskets. The invention can collect the scraps generated when the electric cabinet is perforated.
Description
Technical Field
The invention relates to the field of electric cabinet perforating, in particular to a dust-free perforating device for an electric cabinet.
Background
At present, when an electric appliance cabinet is perforated on site, the common electric appliance cabinet body is made of metal, and when the electric appliance cabinet body is perforated, generated metal scraps can splash into the cabinet, so that electric appliance elements in the electric appliance cabinet are possibly short-circuited, and accidents are caused. Therefore, the problem of dust-free hole opening of the metal electrical cabinet needs to be solved.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
It is still another object of the present invention to provide a dust-free opening device for an electrical cabinet, which is capable of collecting debris generated when opening the electrical cabinet.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a dust-free opening device of an electric cabinet, comprising:
the first sealing cover is provided with an opening at one side, a perforation is arranged on one side of the first sealing cover corresponding to one side of the opening, a sleeve is arranged in the perforation, a motor rotating shaft is coaxially sleeved in the sleeve, the motor rotating shaft is slightly smaller than the inner diameter of the sleeve, and a drill bit is arranged on the motor rotating shaft;
a second sealing cover, one side of which is open, the open side of the second sealing cover being opposite to the open side of the first sealing cover;
the side face, close to the opening, of the first sealing cover and the side face, close to the opening, of the second sealing cover are provided with sealing gaskets.
Preferably, in the dust-free perforating device for the electrical cabinet, a connecting rod is respectively arranged on the outer wall of the first sealing cover and the outer wall of the second sealing cover in the direction perpendicular to the axis of the sleeve, screw holes are respectively arranged at the tail ends of the two connecting rods, and a bolt is screwed with the two screw holes to fixedly connect the two connecting rods.
Preferably, the dust-free opening device of the electrical cabinet further comprises:
the first collecting groove is V-shaped, is arranged in the first sealing cover and is positioned below the drill bit, one side surface of the first collecting groove is overlapped with one side surface of the opening side of the first sealing cover, the opening of the first collecting groove faces upwards, and the diameter of the upper end of the first collecting groove is larger than the outer diameter of the sleeve;
the second collecting groove is V-shaped, is arranged in the second sealing cover and is positioned below the drill bit, an opening of the second collecting groove faces upwards, and the end part, close to the opening of the second sealing cover, of the second collecting groove is positioned on the side face of one side of the opening of the second sealing cover;
the arc-shaped spray pipe is arranged in the first sealing cover and is positioned above the sleeve, two ends of the arc-shaped spray pipe are closed, the circle center of the arc-shaped spray pipe is identical to the circle center of the cross section of the sleeve, a plurality of spray holes are formed in the arc-shaped spray pipe, which is close to the wall surface of the sleeve, along the circumferential direction, and the arc-shaped spray pipe is communicated with an air source outside the first sealing cover.
Preferably, in the dust-free perforating device for the electrical cabinet, an air inlet is further formed in the second sealing cover, and bottoms of the first collecting tank and the second collecting tank are respectively connected with air suction equipment outside the first sealing cover and the second sealing cover.
Preferably, in the dust-free perforating device for the electrical cabinet, the first sealing cover and the second sealing cover are both made of hard plastic materials.
Preferably, in the dust-free perforating device for the electrical cabinet, the sleeve is made of polytetrafluoroethylene materials.
Preferably, in the dust-free perforating device for the electrical cabinet, the sealing gasket is a silicone rubber gasket.
Preferably, in the dust-free perforating device for an electrical cabinet, the distance between two ends of the arc-shaped guide pipe is smaller than the diameter of the upper end of the first collecting tank.
The invention at least comprises the following beneficial effects:
1. according to the dust-free perforating device, the dust-free perforating device is designed through the first sealing cover, the sealing gasket and other parts, so that fragments generated during perforating an electric appliance cabinet can be efficiently collected, and short circuit of electric appliance elements and accidents caused by the fact that the fragments splash into the electric appliance cabinet are avoided.
2. The invention also designs a collecting mechanism such as a first collecting tank, a second collecting tank and the like, and the collecting mechanism is arranged in a place where the scraps are generated in a targeted manner, so that the collecting mechanism has a very good effect on collecting the scraps.
3. The invention also provides a first sealing cover, a connecting mechanism between the first sealing cover and the electric cabinet to be perforated, wherein the outer walls of the first sealing cover and the second sealing cover are respectively provided with a connecting rod along the direction perpendicular to the axis of the sleeve, the tail ends of the two connecting rods are respectively provided with screw holes, and then the two connecting rods are fixedly connected by using bolts to connect the two screw holes in a threaded manner, so that the first sealing cover and the first sealing cover are tightly attached to the electric cabinet to be perforated to complete subsequent perforation work. The connecting mechanism in the scheme is simple in design, but convenient to apply.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of one of the technical solutions of the dust-free opening device of the electrical cabinet of the present invention;
FIG. 2 is a schematic view of a first collection tank, an arcuate nozzle and a sleeve according to another embodiment of the present invention;
fig. 3 is a schematic structural view of a connecting rod according to another embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
As shown in fig. 1 to 3, the present invention provides a dust-free opening device for an electrical cabinet, comprising:
a first sealing cover 1, one side 11 of which is open, a perforation 12 is arranged on one side of the first sealing cover 1 corresponding to the open side 11, a sleeve 13 is arranged in the perforation 12, a motor rotating shaft is coaxially sleeved in the sleeve 13, the motor rotating shaft is slightly smaller than the inner diameter of the sleeve 13, and a drill bit is arranged on the motor rotating shaft;
a second seal cover 2 having one side 21 opened, the opening side 21 of the second seal cover 2 being opposite to the opening side 11 of the first seal cover 1;
wherein, the side surface of the first sealing cover 1 close to the opening of the first sealing cover and the side surface of the second sealing cover 2 close to the opening of the second sealing cover are provided with sealing gaskets 14.
As can be seen from the above disclosed technical solutions, the first sealing cover 1 and the second sealing cover 2 have openings on one side, and in specific implementation and application, for convenience in production and use, the first sealing cover 1 and the second sealing cover 2 may be designed as cylinders or rectangular solids with one side open. Unlike the second sealing cover 2, the first sealing cover 1 has a more complex structure, the other side of the first sealing cover corresponding to the opening side 11 is provided with a through hole 12, a sleeve 13 is arranged in the through hole 12 along the direction facing the opening side 11, a motor rotating shaft is coaxially sleeved in the sleeve 13, the outer diameter of the motor rotating shaft is slightly smaller than the inner diameter of the sleeve 13, and in addition, a drill bit is further arranged on the motor rotating shaft.
When the device is used, the first sealing cover 1 is firstly in contact with one side of the cabinet wall 6 of the electric appliance to be perforated in a manner that one side of the opening faces the cabinet wall 6 of the electric appliance to be perforated, then the second sealing cover 2 is in contact with the other side of the cabinet wall 6 in a manner that the second sealing cover 2 is in contact with the other side of the cabinet wall 6, and the opening side 21 of the second sealing cover 2 is opposite to the opening side 11 of the first sealing cover 1, so that the cabinet wall 6 is clamped in the middle. The first sealing cover 1 and the second sealing cover 2 are respectively pressed on the cabinet wall by external force (for example, by hands), so that the first sealing cover 1 and the second sealing cover 2 are prevented from falling off, after the work is finished, a motor is started, a motor rotating shaft drives a drill bit to rotate, and when the drill bit rotates, the motor is forced to be pressed towards the cabinet wall 6, so that the drill bit can rotate and move forwards towards the inside of the cabinet wall 6, and the cabinet wall 6 of the electrical cabinet is perforated; in the technical scheme of the invention, the periphery of the hole generated between the drill bit and the cabinet wall 6 is wrapped and covered by the first sealing cover 1 and the second sealing cover 2, so that scraps caused by drilling can fall into the first sealing cover 1 and the second sealing cover 2; thereby avoiding short circuit of electrical components in the electrical cabinet and corresponding accidents caused by splashing of scraps into the electrical cabinet. And sealing gaskets 14 are respectively arranged on the side surface of the first sealing cover 1 close to the opening and the side surface of the second sealing cover 2 close to the opening, so as to improve the sealing performance of the inside of the first sealing cover 1 and the second sealing cover 2 and prevent fragments from splashing out.
In another technical scheme, in the dust-free tapping device for an electrical cabinet, a connecting rod 15 is respectively arranged on the outer wall of the first sealing cover 1 and the outer wall of the second sealing cover 2 along the direction perpendicular to the axis of the sleeve 13, screw holes 151 are respectively arranged at the tail ends of the two connecting rods 15, and a bolt is screwed with the two screw holes 151 to fixedly connect the two connecting rods 15.
In the above technical solution, a connecting rod 15 is fixed on the outer walls of the first sealing cover 1 and the second sealing cover 2, the two connecting rods 15 are perpendicular to the axial direction of the sleeve 13, the ends of the two connecting rods 15 are also provided with a screw hole 151, and then the positions of the connecting rods 15 and the first sealing cover 1 and the second sealing cover 2 can be fixed through two screw holes 151 of a bolt. When the device is used for perforating, the distance between the two connecting rods 15 is firstly adjusted through the bolts, the distance between the first sealing cover 1 and the second sealing cover 2 is further changed, when the distance between the first sealing cover 1 and the second sealing cover 2 is larger than the thickness of the electric cabinet wall 6 to be perforated, the first sealing cover 1 and the second sealing cover 2 are placed on two sides of the electric cabinet wall 6 to be perforated, after the work is finished, the first sealing cover 1 and the second sealing cover 2 are tightly attached on two sides of the electric cabinet wall 6 to be perforated through the adjustment of the bolts, so that subsequent perforating work can be normally performed, and after the perforating work is finished, the first sealing cover 1 and the second sealing cover 2 are removed.
In another technical scheme, electrical cabinet dust-free trompil device, still include:
the first collecting tank 3 is in a V shape, the first collecting tank 3 is arranged in the first sealing cover 1 and is positioned below the drill bit, one side surface of the first collecting tank 3 is overlapped with one side surface of the opening side of the first sealing cover 1, the opening of the first collecting tank 3 faces upwards, and the diameter of the upper end of the first collecting tank 3 is larger than the outer diameter of the sleeve 13;
the second collecting tank 4 is in a V shape, the second collecting tank 4 is arranged in the second sealing cover 2 and is positioned below the drill bit, the opening of the second collecting tank 4 faces upwards, and the end part of the second collecting tank 4, which is close to the opening of the second sealing cover 2, is positioned on the side face of one side of the opening of the second sealing cover;
the arc-shaped spray pipe 5 is arranged in the first sealing cover 1 and is positioned above the sleeve 13, two ends of the arc-shaped spray pipe 5 are closed, the circle center of the arc-shaped spray pipe 5 is the same as the circle center of the cross section of the sleeve 13, a plurality of spray holes are formed in the arc-shaped spray pipe 5, which is close to the wall surface 51 of the sleeve 13, along the circumferential direction, and the arc-shaped spray pipe 5 is communicated with an air source outside the first sealing cover 1.
As described in the above technical solution, the first sealing cover 1 is further provided with a first collecting groove 3, the first collecting groove 3 is located below the drill bit, and since some gaps are inevitably formed between the sleeve 13 and the cabinet wall, in order to facilitate collecting the chips falling from the gaps, the first collecting groove 3 is provided with a V-shaped groove, the opening of the V-shaped groove faces upwards, and the diameter of the upper end of the first collecting groove 3 is larger than the outer diameter of the sleeve, so that the chips generated during the perforation can be completely received; in fact, the shape of the first collecting tank 3 may also be set to a similar U-shape or arc shape, as long as the debris is completely collected; in addition, a side of the first collecting tank 3 coincides with a side of the opening of the first sealing cover 1, so that when the electric appliance cabinet is opened, a side of the first collecting tank 3 can be tightly attached to the opened electric appliance cabinet wall 6, and chips are prevented from flowing out of a gap between the first collecting tank 3 and the cabinet wall.
Further, an arc spraying pipe 5 is further arranged in the first sealing cover 1, the arc spraying pipe 5 is arranged above the sleeve 13, two ends of the arc spraying pipe 5 are closed, are bent towards the sleeve 13 and are concentric with the cross section of the sleeve 13, a plurality of spraying holes are formed in the arc spraying pipe 5, close to the wall surface 51 of the sleeve 13, along the circumferential direction, and the spraying direction of the spraying holes is towards the sleeve 13; in addition, the arc-shaped spray pipe 5 is communicated with an air source outside the first sealing cover 1; the air source can be a jet, and the arc-shaped spray pipe 5 is communicated with the jet through a conduit. The purpose of this design is: when the chips generated during the drilling of the drill bit are splashed, a part of the chips possibly get stuck between the sleeve 13 and the cabinet wall or splash to the upper part of the sleeve 13 from a gap between the sleeve 13 and the cabinet wall, so that the chips cannot fall into the first collecting tank 3, and therefore after the arc-shaped spray pipe 5 is arranged above the sleeve 13, the chips which cannot fall can be blown into the first collecting tank 3 through the air source.
When the invention is used for perforating, a drill bit on a motor shaft enters into a cabinet wall 6 of an electric appliance cabinet from one end of a first sealing cover 1 and then penetrates out from one side of the cabinet wall, which is contacted with a second sealing cover 2, and at the moment, scraps generated by the perforating can fall into the second sealing cover 2; correspondingly, the technical proposal is also provided with a collecting mechanism, namely a second collecting groove 4, in the second sealing cover 2 for collecting the scraps falling from the second sealing cover 2; the second collecting tank 4 is also V-shaped and is positioned below the drill bit, the opening is upward, but the structure is different from that of the first collecting tank 3, the end part of the second collecting tank 4 close to the opening of the second sealing cover 2 is positioned on one side surface of the opening of the second sealing cover, that is, when the second sealing cover 2 is abutted against the cabinet wall 6 of the electrical appliance cabinet, the end part of the second collecting tank 4 close to the opening of the second sealing cover 2 is abutted against the cabinet wall at the same time, and the other end of the second collecting tank 4 extends upward; the advantage of this design is that it prevents debris from escaping in the gap between the second collecting tank 4 and the cabinet wall 6, facilitating a more complete collection of the falling debris.
In another technical scheme, in the dust-free perforating device of the electrical cabinet, an air inlet is further formed in the second sealing cover 2, and bottoms of the first collecting tank 3 and the second collecting tank 4 are respectively connected with air suction equipment outside the first sealing cover 1 and the second sealing cover 2.
As shown in the above technical solution, the air suction device may be a dust collector, and the bottoms of the first collecting tank 3 and the second collecting tank 4 may be communicated with an external dust collector through a conduit, and when the chips are collected in the first collecting tank 3 and the second collecting tank 4, the dust collector is turned on to suck the chips in the first collecting tank 3; meanwhile, the second sealing cover 2 is also provided with an air inlet for manufacturing a flowing air flow environment in the second sealing cover 2 so as to realize the air suction function of the air suction device.
In another technical scheme, in the dust-free perforating device of the electrical cabinet, the first sealing cover 1 and the second sealing cover 2 are made of hard plastic materials.
The hard plastic material can be polyphenylene sulfide plastic, polycarbonate plastic, polyamide plastic and the like, and has good mechanical properties.
In another embodiment, in the dust-free perforating device for electrical cabinets, the sleeve 13 is made of polytetrafluoroethylene material.
The polytetrafluoroethylene material in the technical scheme has good mechanical toughness, small surface tension and difficult adhesion of substances, is favorable for collecting scraps, and meanwhile, the sleeve 13 made of the polytetrafluoroethylene material has good tightness.
In another embodiment, the gasket 14 is a silicone rubber gasket in the dust-free opening device for electrical cabinets.
The gasket 14 made of silicone rubber has excellent sealing performance.
In another technical scheme, in the dust-free perforating device for the electrical cabinet, the distance between two ends of the arc-shaped guide pipe 5 is smaller than the diameter of the upper end of the first collecting tank 3.
In the above technical scheme, the direction of the spray hole of the arc-shaped guide pipe 5 is opposite to the direction of the opening at the upper end of the first collecting tank 3, and when the distance between the two ends of the arc-shaped guide pipe 5 is smaller than the diameter of the upper end of the first collecting tank 3, the chips can be better blown down into the first collecting tank 3.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. Dustless trompil device of electrical cabinet, its characterized in that includes:
the first sealing cover is provided with an opening at one side, a perforation is arranged on one side of the first sealing cover corresponding to one side of the opening, a sleeve is arranged in the perforation, a motor rotating shaft is coaxially sleeved in the sleeve, the motor rotating shaft is slightly smaller than the inner diameter of the sleeve, and a drill bit is arranged on the motor rotating shaft;
a second sealing cover, one side of which is open, the open side of the second sealing cover being opposite to the open side of the first sealing cover;
the side face, close to the opening, of the first sealing cover and the side face, close to the opening, of the second sealing cover are provided with sealing gaskets;
the outer walls of the first sealing cover and the second sealing cover are respectively provided with a connecting rod along the direction perpendicular to the axis of the sleeve, the tail ends of the two connecting rods are respectively provided with screw holes, and a bolt is screwed with the two screw holes to fixedly connect the two connecting rods;
the first collecting groove is V-shaped, is arranged in the first sealing cover and is positioned below the drill bit, one side surface of the first collecting groove is overlapped with one side surface of the opening side of the first sealing cover, the opening of the first collecting groove faces upwards, and the diameter of the upper end of the first collecting groove is larger than the outer diameter of the sleeve;
the second collecting groove is V-shaped, is arranged in the second sealing cover and is positioned below the drill bit, an opening of the second collecting groove faces upwards, and the end part of the second collecting groove, which is close to the opening of the second sealing cover, is positioned on the side face of one side of the opening of the second sealing cover;
the arc-shaped spray pipe is arranged in the first sealing cover and is positioned above the sleeve, two ends of the arc-shaped spray pipe are closed, the circle center of the arc-shaped spray pipe is the same as the circle center of the cross section of the sleeve, a plurality of spray holes are formed in the arc-shaped spray pipe, close to the wall surface of the sleeve, along the circumferential direction, and the arc-shaped spray pipe is communicated with an air source outside the first sealing cover;
and the second sealing cover is also provided with an air inlet, and the bottoms of the first collecting tank and the second collecting tank are respectively connected with air suction equipment outside the first sealing cover and the second sealing cover.
2. The dust-free opening device for an electrical cabinet of claim 1, wherein the first sealing cover and the second sealing cover are both made of hard plastic materials.
3. The appliance cabinet dust-free opening apparatus of claim 1 wherein the sleeve is made of polytetrafluoroethylene material.
4. The appliance cabinet dust-free opening device of claim 1 wherein the gasket is a silicone rubber gasket.
5. The appliance cabinet dust-free opening device of claim 1 wherein the distance between the two ends of the arcuate nozzle is less than the diameter of the upper end of the first collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023556.5A CN109514340B (en) | 2019-01-10 | 2019-01-10 | Dustless perforating device for electric appliance cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023556.5A CN109514340B (en) | 2019-01-10 | 2019-01-10 | Dustless perforating device for electric appliance cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109514340A CN109514340A (en) | 2019-03-26 |
| CN109514340B true CN109514340B (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910023556.5A Active CN109514340B (en) | 2019-01-10 | 2019-01-10 | Dustless perforating device for electric appliance cabinet |
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| Country | Link |
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| CN (1) | CN109514340B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006024985A1 (en) * | 2006-05-30 | 2007-12-06 | Bruno Gruber | Drilling dust collecting device for use as dust collector in corners of wall and ceiling of buildings, has tubular housing having peripheral wall closed at two faces to form cavity |
| CN201863191U (en) * | 2010-11-25 | 2011-06-15 | 孔德贵 | Dustproof device of electric hammer |
| CN208214957U (en) * | 2018-05-17 | 2018-12-11 | 烟台工程职业技术学院 | A kind of high-accuracy mechanical accessory process equipment with decrease of noise functions |
| CN209717149U (en) * | 2019-01-10 | 2019-12-03 | 广西华超电气有限公司 | Electric Appliance Cabinet dustless punching device |
-
2019
- 2019-01-10 CN CN201910023556.5A patent/CN109514340B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006024985A1 (en) * | 2006-05-30 | 2007-12-06 | Bruno Gruber | Drilling dust collecting device for use as dust collector in corners of wall and ceiling of buildings, has tubular housing having peripheral wall closed at two faces to form cavity |
| CN201863191U (en) * | 2010-11-25 | 2011-06-15 | 孔德贵 | Dustproof device of electric hammer |
| CN208214957U (en) * | 2018-05-17 | 2018-12-11 | 烟台工程职业技术学院 | A kind of high-accuracy mechanical accessory process equipment with decrease of noise functions |
| CN209717149U (en) * | 2019-01-10 | 2019-12-03 | 广西华超电气有限公司 | Electric Appliance Cabinet dustless punching device |
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| Publication number | Publication date |
|---|---|
| CN109514340A (en) | 2019-03-26 |
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Address after: 537100 Block 10, Xijiang Industrial Park, Guigang City, Guangxi Zhuang Autonomous Region Applicant after: GUANGXI HUACHAO ELECTRIC CO.,LTD. Address before: 537100 north the Guangxi Zhuang Autonomous Region Gangbei District, Guigang City root Township Road 324 line bamboo Wei Road Applicant before: GUANGXI HUACHAO ELECTRIC CO.,LTD. |
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