CN110131234B - Quick ejecting device for furnace lining - Google Patents
Quick ejecting device for furnace lining Download PDFInfo
- Publication number
- CN110131234B CN110131234B CN201910372808.5A CN201910372808A CN110131234B CN 110131234 B CN110131234 B CN 110131234B CN 201910372808 A CN201910372808 A CN 201910372808A CN 110131234 B CN110131234 B CN 110131234B
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- plate
- limiting plate
- electric furnace
- connecting plate
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D2001/1605—Repairing linings
Abstract
The invention relates to a quick furnace lining pushing device which comprises an oil cylinder, an electric furnace, a pre-buried pushing block, a furnace lining and a hydraulic station arranged on one side of the electric furnace, wherein a mounting slot is arranged at the bottom of the electric furnace, one end of the oil cylinder is provided with a clamping block, the mounting slot comprises an electric furnace connecting plate, a U-shaped clamping seat and a U-shaped limiting plate which are mutually connected, the U-shaped limiting plate covers the side surface of the U-shaped clamping seat and protrudes inwards, the clamping block comprises an oil cylinder connecting plate, a limiting plate and an inserting plate, the limiting plate is connected between the inserting plate and the oil cylinder connecting plate to form a I-shaped connection, the limiting plate is symmetrically arranged on two sides of an output end of the oil cylinder, the inserting plate covers the side surface of the limiting plate and protrudes outwards, through holes for the output end of the oil cylinder are formed in the oil cylinder connecting plate, the oil cylinder connecting plate is connected with the oil cylinder, the electric furnace connecting plate is fixedly connected to the bottom of the electric furnace, a lifting plate for lifting the oil cylinder is embedded in the mounting slot through the clamping block, and the clamping block is used for forming a fixed locking state.
Description
Technical Field
The invention relates to the field of electric furnace equipment, in particular to a furnace lining rapid pushing-out device.
Background
At present, a furnace lining in the industry of industrial electric furnaces and casting equipment is frequently repaired and replaced, otherwise, the furnace penetrating danger exists, but the existing furnace lining pushing-out device is complex in structure, long and complicated in installation time in the electric furnace process, and the installation mode is usually locked by bolts, vibration can be generated in the furnace lining pushing-out process, so that the bolts are easy to loosen, danger exists in the use process, and the life safety of workers is threatened.
Disclosure of Invention
In order to overcome the current defects of electric furnace equipment, the invention aims to provide a furnace lining quick pushing-out device which is simple in structure, safe and capable of being quickly installed.
The technical scheme adopted by the invention is as follows:
the quick pushing-out device for the furnace lining comprises an oil cylinder, an electric furnace, a hydraulic station, a furnace lining arranged on the inner side of the electric furnace and a pre-buried pushing-out block arranged at the bottom of the furnace lining, wherein the hydraulic station is arranged on one side of the electric furnace, the bottom of the electric furnace is provided with an installation slot, one end of the oil cylinder is provided with a clamping block clamped in the installation slot, the installation slot comprises an electric furnace connecting plate, a U-shaped clamping seat and a U-shaped limiting plate which are mutually connected, and the U-shaped limiting plate covers the side surface of the U-shaped clamping seat and protrudes inwards;
the clamping block comprises an oil cylinder connecting plate, a limiting plate and an inserting plate, wherein the limiting plate is connected between the inserting plate and the oil cylinder connecting plate to form a I-shaped connection, the limiting plates are symmetrically arranged on two sides of an oil cylinder output end, the inserting plate covers the side surface of the limiting plate and protrudes outwards, through holes for the oil cylinder output end to pass through are formed in the oil cylinder connecting plate, the inserting plate and the electric furnace connecting plate, the oil cylinder connecting plate is connected with an oil cylinder, the electric furnace connecting plate is fixedly connected to the bottom of the electric furnace, and a lifting plate for lifting the oil cylinder is arranged on the oil cylinder.
Preferably, the hanging plate is provided with an upper hanging hole and a lower hanging hole which are arranged in an equilateral triangle shape, and the lower hanging hole is symmetrically arranged at the lower end of the upper hanging hole.
Preferably, the outer side of the limiting plate is tightly propped against the inner side of the U-shaped limiting plate, and the inserting plate is embedded into the U-shaped clamping seat.
Preferably, the electric furnace connecting plate is provided with a hollow guide post for guiding the stroke of the piston rod of the oil cylinder.
Preferably, the oil cylinder is provided with a mounting plate, and the mounting plate is connected with the oil cylinder connecting plate through pins.
Preferably, the inner sides of the U-shaped clamping seat and the end parts of the U-shaped limiting plate are provided with chamfers for enlarging the insertion surface.
Preferably, the inner side of the U-shaped clamping seat and the outer side of the insertion plate are arranged in an inverted trapezoid shape.
Preferably, the inner side of the U-shaped limiting plate is arranged in an inverted trapezoid shape, and the limiting plate and the inverted trapezoid surface of the U-shaped limiting plate are correspondingly arranged in an inclined manner.
Preferably, the inner side of the U-shaped clamping seat is provided with an anti-slip strip.
Preferably, a hydraulic operating platform connected with a hydraulic station pipeline is arranged on one side of the electric furnace, a quick connector is arranged on the hydraulic operating platform, and the quick connector is respectively connected with the oil cylinder and the electric furnace through oil pipes.
The invention has the beneficial effects that:
the furnace lining rapid pushing device is embedded in the installation slot through the clamping block, so that the furnace lining rapid pushing device is in a fixed locking state, and the furnace lining rapid pushing device is simple in structure, safe and convenient to install.
Drawings
Fig. 1 is a schematic view of the structure of the ejector.
Fig. 2 is a schematic view of the installation positions of the ejector and the electric furnace.
Fig. 3 is a sectional view of the ejector after installation with the electric furnace.
Fig. 4 is a schematic structural view of the mounting slot.
Fig. 5 is a schematic structural view of the snap-in block.
Fig. 6 is a schematic view of a structure in which the mounting slot portion is arranged in an inverted trapezoid.
Fig. 7 is a schematic structural view of the inverted trapezoidal arrangement of the snap-in block portion.
Fig. 8 is a schematic structural view of a hanger plate.
In the figure: 1. an oil cylinder; 2. an electric furnace; 3. a furnace lining; 4. embedding a push-out block; 5. installing a slot; 6. clamping in a block; 7. an electric furnace connecting plate; 8.U shaped clamping seat; 9.U-shaped limiting plates; 10. an oil cylinder connecting plate; 11. a limiting plate; 12. an insertion plate; 13. a through hole; 14. a hanger plate; 15. a hanging hole; 16. a lower hanging hole; 17. a hollow guide post; 18. a mounting plate; 19. chamfering; 20. an anti-slip strip; 21. a hydraulic station; 22. a hydraulic operating table.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the quick furnace lining pushing device comprises an oil cylinder 1, an electric furnace 2, a hydraulic station 21, a furnace lining 3 arranged on the inner side of the electric furnace 2 and a pre-buried pushing block 4 arranged at the bottom of the furnace lining 3, wherein the hydraulic station 21 is arranged on one side of the electric furnace 2, the bottom of the electric furnace 2 is provided with a mounting slot 5, one end of the oil cylinder 1 is provided with a clamping block 6 clamped in the mounting slot 5, and the mounting slot 5 comprises an electric furnace connecting plate 7, a U-shaped clamping seat 8 and a U-shaped limiting plate 9,U which are mutually connected, and the U-shaped clamping seat 8 is covered by the side surface of the U-shaped clamping seat 9 and protrudes inwards;
the block 6 is gone into to the card includes hydro-cylinder connecting plate 10, limiting plate 11 and insert plate 12, limiting plate 11 connects and forms the worker shape between insert plate 12 and hydro-cylinder connecting plate 10 and connects, limiting plate 11 symmetry sets up in hydro-cylinder 1 output both sides, insert plate 12 covers in limit 4 position board 11 sides and outwards protrusion, be equipped with the through-hole 13 that hydro-cylinder 1 output passed through on hydro-cylinder connecting plate 10, insert plate 12 and the electric stove connecting plate 7+, hydro-cylinder connecting plate 10 is connected with hydro-cylinder 1, electric stove connecting plate 7 fixed connection is in electric stove 2 bottom, be equipped with the hanger plate 14 that is used for lifting hydro-cylinder 1 on the hydro-cylinder 1.
In order to facilitate the hoisting equipment and achieve stable installation, in this embodiment, preferably, the hanger plate 14 is provided with an upper hanger hole 15 and a lower hanger hole 16 which are arranged in an equilateral triangle shape, and the lower hanger hole 16 is symmetrically arranged at the lower end of the upper hanger hole 15.
In order to facilitate locking and fixing, in this embodiment, preferably, the outer side of the limiting plate 11 is tightly propped against the inner side of the U-shaped limiting plate 9, and the inserting plate 12 is embedded into the U-shaped clamping seat 8.
In order to ensure that the piston rod is pushed with a precise stroke, in this embodiment, preferably, the electric furnace connecting plate 7 is provided with a hollow guide post 17 for guiding the stroke of the piston rod of the oil cylinder 1.
In order to facilitate the quick installation and connection between the oil cylinder 1 and the clamping block 6, in this embodiment, preferably, an installation plate 18 is disposed on the oil cylinder 1, and the installation plate 18 is connected with the oil cylinder connection plate 10 through a pin.
In order to facilitate the snap-in block 6 to be quickly inserted into the mounting slot 5 for mounting and matching, in this embodiment, preferably, the inner sides of the ends of the U-shaped clamping seat 8 and the U-shaped limiting plate 9 are provided with chamfers 19 for enlarging the insertion surface.
In order to increase the contact area and prevent poor contact, the inner side surface of the U-shaped clamping seat 8 and the outer side surface of the insertion plate 12 are always attached, so that the matching is more stable, and in the embodiment, preferably, the inner side of the U-shaped clamping seat 8 and the outer side of the insertion plate 12 are arranged in an inverted trapezoid.
In order to increase the contact area and prevent poor contact, ensure to laminate all the time between the medial surface of the U-shaped limiting plate 9 and the lateral surface of the limiting plate 11, make its cooperation more firm, in this embodiment, preferably, the U-shaped limiting plate 9 inboard is the trapezoidal setting of falling, and limiting plate 11 is the slope setting with the trapezoidal face correspondence of U-shaped limiting plate 9.
In order to prevent the contact from sliding due to the vibration of the cylinder 1, in this embodiment, it is preferable that the inside of the U-shaped holder 8 is provided with an anti-slip strip 20.
For convenient and quick installation and operation, in this embodiment, preferably, one side of the electric furnace 2 is provided with a hydraulic operation table 22 connected with a hydraulic station 21 through a pipeline, the hydraulic operation table 22 is provided with a quick connector, and the quick connector is respectively connected with the oil cylinder 1 and the electric furnace 2 through an oil pipe, so as to prevent the hydraulic station 21 from being arranged on the oil cylinder 1 to cause excessive weight, thereby causing inconvenient movement and easy crushing of the oil cylinder 1.
The working principle and the using flow of the invention are as follows: the electric furnace 2 is turned over for 90 degrees, the bottom is fixedly provided with the installation slot 5, the crane lifts the lifting plate 14 together with the oil cylinder 1, the clamping block 6 at the front end of the oil cylinder 1 is quickly moved and embedded into the installation slot 5, the insertion plate 12 is inserted into the inner side of the U-shaped clamping seat 8, the limiting plate 11 is clamped into the inner side of the U-shaped limiting plate 9, the relative movement in the left-right direction is limited, the U-shaped limiting plate 9 covers the side surface of the U-shaped clamping seat 8 and protrudes inwards, the insertion plate 12 covers the side surface of the 4-bit limiting plate 11 and protrudes outwards, the two protruding positions are mutually propped up, the electric furnace connecting plate 7 and the insertion plate 12 are mutually propped up, the relative movement in the front-back direction is limited, the inner side of the U-shaped clamping seat 8 supports the insertion plate 12, the inner side of the U-shaped limiting plate 9 supports the limiting plate 11, and the relative movement in the up-down direction is limited due to the dead weight of the device, the hydraulic station is in a fixed locking state, the structure is simple, safe and convenient to install, the hydraulic operation table 22 is connected with the hydraulic station 21 through an oil pipe and controls the oil output of the hydraulic station 21, the oil cylinder 1 is quickly connected with a quick connector on the hydraulic operation table 22 through the oil pipe, the hydraulic operation table 22 can control the linear reciprocating motion of the oil cylinder 1, the installation and the operation are convenient and quick, the hydraulic station 21 is prevented from being arranged on the oil cylinder 1 to cause overlarge weight, the oil cylinder 1 is inconvenient to move and easy to crush, the lifting equipment is convenient to lift through the upper lifting holes 15 and the lower lifting holes 16 which are arranged in an equilateral triangle shape, the stable installation is achieved, the hollow guide pillar 17 is used for ensuring that the piston rod of the oil cylinder 1 is pushed with accurate travel, the mounting plate 18 arranged on the oil cylinder 1 is used for conveniently enabling the oil cylinder 1 and the clamping block 6 to be quickly connected and mounted through pins, the chamfer 19 with the enlarged insertion surface is arranged on the inner side of the end part of the U-shaped clamping seat 8 and the inner side of the end part of the U-shaped limiting plate 9, so that the clamping block 6 can be conveniently clamped into the mounting slot 5 for mounting and matching, the inner side of the U-shaped clamping seat 8 and the outer side of the insertion plate 12 are arranged in an inverted trapezoid manner so as to enlarge the contact area, poor contact is prevented, the inner side of the U-shaped clamping seat 8 and the outer side of the insertion plate 12 are always attached, the matching is more stable, the inner side of the U-shaped clamping seat 8 is ensured to be attached to the outer side of the insertion plate 12 all the time, the matching is more stable, the inner side of the U-shaped limiting plate 9 is arranged with the anti-slip strip 20 so as to prevent the contact from sliding due to the working vibration of the oil cylinder 1, the inclined arrangement is correspondingly arranged on the inner side of the limiting plate 11.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a quick ejecting device of furnace lining, includes hydro-cylinder (1), electric stove (2), hydraulic pressure station (21), sets up in furnace lining (3) of electric stove (2) inboard and sets up in pre-buried ejecting piece (4) of furnace lining (3) bottom, its characterized in that: the hydraulic station (21) is arranged on one side of the electric furnace (2), an installation slot (5) is arranged at the bottom of the electric furnace (2), a clamping block (6) clamped in the installation slot (5) is arranged at one end of the oil cylinder (1), the installation slot (5) comprises an electric furnace connecting plate (7), a U-shaped clamping seat (8) and a U-shaped limiting plate (9) which are connected with each other, and the U-shaped limiting plate (9) covers the side surface of the U-shaped clamping seat (8) and protrudes inwards;
the clamping block (6) comprises an oil cylinder connecting plate (10), a limiting plate (11) and an inserting plate (12), wherein the limiting plate (11) is connected between the inserting plate (12) and the oil cylinder connecting plate (10) to form a work-shaped connection, the limiting plate (11) is symmetrically arranged on two sides of the output end of the oil cylinder (1), the inserting plate (12) covers the side face of the limiting plate (11) and protrudes outwards, through holes (13) for the output end of the oil cylinder (1) to pass through are formed in the oil cylinder connecting plate (10), the inserting plate (12) and the electric furnace connecting plate (7), the oil cylinder connecting plate (10) is connected with the oil cylinder (1), the electric furnace connecting plate (7) is fixedly connected to the bottom of the electric furnace (2), and lifting plates (14) for lifting the oil cylinder (1) are arranged on the oil cylinder (1).
2. The furnace lining rapid ejection device according to claim 1, wherein: the lifting plate (14) is provided with an upper lifting hole (15) and a lower lifting hole (16) which are distributed in an equilateral triangle shape, and the lower lifting holes (16) are symmetrically arranged at the lower end of the upper lifting hole (15).
3. The furnace lining rapid ejection device according to claim 1, wherein: the outer side of the limiting plate (11) is tightly propped against the inner side of the U-shaped limiting plate (9), and the inserting plate (12) is embedded into the U-shaped clamping seat (8).
4. The furnace lining rapid ejection device according to claim 1, wherein: the electric furnace connecting plate (7) is provided with a hollow guide post (17) for guiding the stroke of a piston rod of the oil cylinder (1).
5. The furnace lining rapid ejection device according to claim 1, wherein: the oil cylinder (1) is provided with a mounting plate (18), and the mounting plate (18) is connected with the oil cylinder connecting plate (10) through pins.
6. The furnace lining rapid ejection device according to claim 1, wherein: the inner sides of the end parts of the U-shaped clamping seat (8) and the U-shaped limiting plate (9) are provided with chamfers (19) for enlarging the insertion surface.
7. The furnace lining rapid ejection device according to claim 1, wherein: the inner side of the U-shaped clamping seat (8) and the outer side of the insertion plate (12) are arranged in an inverted trapezoid.
8. The furnace lining rapid ejection device according to claim 1, wherein: the inner side of the U-shaped limiting plate (9) is in an inverted trapezoid shape, and the limiting plate (11) and the inverted trapezoid surface of the U-shaped limiting plate (9) are correspondingly in an inclined shape.
9. The furnace lining rapid ejection device according to claim 1, wherein: an anti-slip strip (20) is arranged on the inner side of the U-shaped clamping seat (8).
10. The furnace lining rapid ejection device according to claim 1, wherein: the electric furnace is characterized in that a hydraulic operation table (22) connected with a hydraulic station (21) through a pipeline is arranged on one side of the electric furnace (2), a quick connector is arranged on the hydraulic operation table (22), and the quick connector is respectively connected with the oil cylinder (1) and the electric furnace (2) through oil pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372808.5A CN110131234B (en) | 2019-05-06 | 2019-05-06 | Quick ejecting device for furnace lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910372808.5A CN110131234B (en) | 2019-05-06 | 2019-05-06 | Quick ejecting device for furnace lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131234A CN110131234A (en) | 2019-08-16 |
| CN110131234B true CN110131234B (en) | 2024-03-26 |
Family
ID=67576306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910372808.5A Active CN110131234B (en) | 2019-05-06 | 2019-05-06 | Quick ejecting device for furnace lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131234B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1559801A (en) * | 1976-06-21 | 1980-01-30 | Harvey Plant Holdings Ltd | Apparatus for removing linings and/or slag from furnaces and the like |
| GB1596039A (en) * | 1978-03-09 | 1981-08-19 | Shand R & D | Machines for removing the lining of blast furnaces |
| US4558791A (en) * | 1983-01-26 | 1985-12-17 | M.D.S. Furnace Services Limited | Furnace delining apparatus |
| CN204301507U (en) * | 2014-11-26 | 2015-04-29 | 埃博普感应系统（上海）有限公司 | A kind of Induction Furnace liner ejecting device |
| CN210003597U (en) * | 2019-05-06 | 2020-01-31 | 佛山市熔科工业电炉有限公司 | furnace lining quick push-out device |
-
2019
- 2019-05-06 CN CN201910372808.5A patent/CN110131234B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1559801A (en) * | 1976-06-21 | 1980-01-30 | Harvey Plant Holdings Ltd | Apparatus for removing linings and/or slag from furnaces and the like |
| GB1596039A (en) * | 1978-03-09 | 1981-08-19 | Shand R & D | Machines for removing the lining of blast furnaces |
| US4558791A (en) * | 1983-01-26 | 1985-12-17 | M.D.S. Furnace Services Limited | Furnace delining apparatus |
| CN204301507U (en) * | 2014-11-26 | 2015-04-29 | 埃博普感应系统（上海）有限公司 | A kind of Induction Furnace liner ejecting device |
| CN210003597U (en) * | 2019-05-06 | 2020-01-31 | 佛山市熔科工业电炉有限公司 | furnace lining quick push-out device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131234A (en) | 2019-08-16 |
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Effective date of registration: 20240205 Address after: No. 1, Guantai Road, Qujiang District, Shaoguan City, Guangdong Province, 512000 (South China Equipment Park) Applicant after: Guangdong Rongke Industrial Equipment Co.,Ltd. Country or region after: China Address before: 528000 No. 32-2, Hedi Avenue, Beijiao Neighborhood Committee Industrial Zone, Beijiao Town, Shunde District, Foshan City, Guangdong Province Applicant before: FOSHAN RONGKE INDUSTRIAL ELECTRIC FURNACE CO.,LTD. Country or region before: China |
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