CN112475177A - Concrete mixer truck part forging die convenient to disassemble and assemble - Google Patents
Concrete mixer truck part forging die convenient to disassemble and assemble Download PDFInfo
- Publication number
- CN112475177A CN112475177A CN202010959953.6A CN202010959953A CN112475177A CN 112475177 A CN112475177 A CN 112475177A CN 202010959953 A CN202010959953 A CN 202010959953A CN 112475177 A CN112475177 A CN 112475177A
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- die
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- forging
- disassemble
- concrete mixer
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- 238000005242 forging Methods 0.000 title claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract 3
- 238000005266 casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003433 contraceptive agent Substances 0.000 description 3
- 230000002254 contraceptive effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009497 press forging Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a concrete mixer part forging die convenient to assemble and disassemble, which comprises a supporting component, a forging mechanism and a demoulding mechanism, wherein the forging mechanism and the demoulding mechanism are arranged on the supporting component; the forging mechanism comprises a die assembly and a power assembly, the die assembly comprises a lower die and an upper die, the upper die is positioned above the lower die and arranged on the supporting assembly through the power assembly, and die grooves are formed in the surfaces, opposite to the lower die, of the upper die; the demolding mechanism comprises a pushing assembly, a transmission assembly and a pneumatic assembly, wherein the pushing assembly comprises a push plate and a push rod, and the push plate is positioned at the bottom of a mold groove in the lower mold; one end of the push rod is connected with the push plate, and the other end of the push rod penetrates through the bottom of the lower die and is connected with the transmission assembly; the pneumatic assembly comprises an air outlet block and a guide pipe, and the air outlet block is arranged in the die cavity and is positioned below the push plate; one end of the guide pipe is arranged on the lower die in a penetrating way and is connected with the air outlet block, and the other end of the guide pipe is provided with an air inlet. The invention improves the demoulding speed of the forging piece in the forging die and the forging efficiency.
Description
Technical Field
The invention relates to the technical field of forging dies, in particular to a concrete mixer part forging die convenient to assemble and disassemble.
Background
Forging is a process of using forging machinery to apply pressure to a metal blank to make it plastically deform to obtain a forging with certain mechanical properties, certain shape and size. The defects of as-cast porosity and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because the complete metal streamline is preserved, the mechanical property of the forging is generally superior to that of a casting made of the same material. Important parts with high load and severe working conditions in related machines are mainly forged pieces except for plates, sections or welding pieces which are simple in shape and can be rolled.
The forging die is a die used in a forging process, and a raw material is plastically deformed in the forging die by an external force, thereby obtaining a part of a desired shape and size. The forging die can be divided into a hot forging die, a warm forging die and a cold forging die according to different forging temperatures. The hot forging die can be divided into a hammer forging die, a screw press forging die, a mechanical press forging die, a plain forging die, a hydraulic press forging die and the like according to different equipment. A processing die frame is required to be designed when a press is used for die forging, a blank making die, a trimming die, a punching die, a correcting die, a cold precision pressing die and the like are also required in the forging process, and the dies and the devices also belong to the class of forging dies.
The existing forging die needs to be pried by an external prying bar during demoulding, the upper die base is separated from the die cavity, and when a casting piece is taken out from the die cavity, the upper end of the casting piece is parallel to the upper end of the die cavity due to the fact that the casting piece is tightly attached to the die cavity, so that the upper end of the casting piece is difficult to take out.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a concrete mixer part forging die convenient to assemble and disassemble, so as to overcome the defect that parts are difficult to take in the forging die in the technical background.
In order to achieve the purpose, the invention provides the following technical scheme: a concrete mixer part forging die convenient to disassemble and assemble comprises a supporting assembly, a forging mechanism and a demoulding mechanism, wherein the forging mechanism and the demoulding mechanism are arranged on the supporting assembly;
the forging mechanism comprises a die assembly and a power assembly, the die assembly comprises a lower die and an upper die, the upper die is positioned above the lower die and is arranged on the supporting assembly through the power assembly, and die grooves are formed in the surfaces of the upper die, which are opposite to the lower die;
the demolding mechanism comprises a pushing assembly, a transmission assembly and a pneumatic assembly, wherein the pushing assembly comprises a push plate and a push rod, and the push plate is positioned at the bottom of the mold cavity in the lower mold; one end of the push rod is connected with the push plate, and the other end of the push rod penetrates through the bottom of the lower die and is connected with the transmission assembly; the pneumatic assembly comprises an air outlet block and a guide pipe, and the air outlet block is arranged in the die cavity and is positioned below the push plate; one end of the guide pipe penetrates through the lower die to be connected with the air outlet block, and the other end of the guide pipe is provided with an air inlet.
The supporting assembly comprises a lower base, an upper base and a supporting rod, the upper base and the lower base are both cuboid, the upper base and the lower base are connected through the supporting rod, and the upper base is parallelly positioned above the lower base; the upper base and the lower base are respectively provided with a positioning hole; the locating hole is internally provided with threads, the two ends of the supporting rod are both provided with threads, and the supporting rod is connected with the upper base and the lower base through threads.
The number of the supporting rods is four, and the four supporting rods are vertically arranged between the upper base and the lower base and are respectively positioned at the positions close to the four corners of the lower base.
And a feed inlet is formed in the upper base.
The power assembly is arranged on the lower surface of the upper base; the upper die is arranged on the lower surface of the power assembly.
The supporting component is also provided with an auxiliary demoulding shell, and the auxiliary demoulding shell is arranged on the lower base and is positioned between the lower base and the lower base.
Preferably, the air inlet is located on the auxiliary stripping shell.
Preferably, the transmission assembly comprises connecting rods, four telescopic arms and telescopic rods, and the four telescopic arms are arranged on the upper surface of the auxiliary stripping shell; one end of the telescopic rod penetrates through the telescopic arm, extends into the auxiliary demoulding body and is connected with the connecting rod, and the other end of the telescopic rod is provided with a fixed disc and is connected with the power assembly; the connecting rod is located the below of push pedal, and with push rod fixed connection. The telescopic link that the telescopic link is located flexible arm is fitted with a contraceptive ring and is equipped with first stopper.
Preferably, the telescopic link includes first telescopic link, second telescopic link and second stopper, the one end of first telescopic link is worn to locate in the second telescopic link, and is equipped with the second stopper.
Preferably, the first limiting block is arranged on the second telescopic rod.
Compared with the prior art, the invention provides the concrete mixer part forging die convenient to disassemble and assemble, and the concrete mixer part forging die has the following beneficial effects:
the invention can lead the forging piece in the forging die to be rapidly demoulded through the demoulding mechanism, improves the forging efficiency, the demoulding mechanism comprises the pushing component and the pneumatic component, on one hand, the forging piece is separated by pushing the forging die, on the other hand, the pneumatic component is used for inflating between the forging die and the forging piece, the cooling and separation of the forging piece can be accelerated, the forging piece in the forging die can fall off automatically, the forging speed is improved,
drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic view of a simple structure of a forging die according to the present invention;
FIG. 2 is a schematic cross-sectional view of the auxiliary stripping shell and the lower die holder according to the present invention;
fig. 3 is a schematic sectional view of the telescopic rod of the present invention.
In the figure: 1. the lower base, 2, go up the base, 3, supplementary shell of taking off, 4, power component, 5, die holder, 6, upper die base, 7, branch, 8, flexible arm, 9, telescopic link, 10, fixed disk, 11, feed inlet, 12, air inlet, 13, locating hole, 14, push pedal, 15, push rod, 16, connecting rod, 17, second telescopic link, 18, pipe, 19, the piece of giving vent to anger, 20, first stopper, 21, first telescopic link, 22, second stopper.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments are provided. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a concrete mixer truck parts forging mold with easy assembly and disassembly: a concrete mixer part forging die convenient to disassemble and assemble comprises a supporting assembly, a forging mechanism and a demoulding mechanism, wherein the forging mechanism and the demoulding mechanism are arranged on the supporting assembly;
the forging mechanism comprises a die assembly and a power assembly 4, the power assembly 4 adopts a cylinder, the die assembly comprises a lower die 5 and an upper die 6, the upper die 6 is positioned above the lower die 5 and is arranged on the supporting assembly through the power assembly 4, die grooves are formed in the surfaces of the upper die 6, which are opposite to the lower die 5, the upper die 6 is connected with the upper die 6 through the output end of the cylinder, and the upper die 6 is pushed to move to the lower die 5 for forging;
the demolding mechanism comprises a pushing assembly, a transmission assembly and a pneumatic assembly, wherein the pushing assembly comprises a push plate 14 and a push rod 15, and the push plate 14 is positioned at the bottom of a mold cavity in the lower mold 5; one end of a push rod 15 is connected with the push plate 14, the other end of the push rod penetrates through the bottom of the lower die 5 and is connected with a transmission assembly, and the push plate 14 is controlled to move through the transmission assembly, so that the forged piece is demoulded, and the forged piece is simple and convenient to demould; the pneumatic assembly comprises an air outlet block 19 and a guide pipe 18, and the air outlet block 19 is arranged in the die cavity and is positioned below the push plate 14; one end of the guide pipe 18 penetrates through the lower die 5 to be connected with the air outlet block 19, the other end of the guide pipe is provided with the air inlet 12, and the lower die 5 can be inflated through the guide pipe 18, so that the forged piece is separated from the die, and the demolding of the forged piece is facilitated.
The supporting assembly comprises a lower base 1, an upper base 2 and a supporting rod 7, the upper base 2 and the lower base 1 are both cuboid, the upper base 2 is connected with the lower base 1 through the supporting rod 7, and the upper base 2 is parallelly positioned above the lower base 1; the upper base 2 and the lower base 1 are both provided with positioning holes 13; be equipped with the screw thread in the locating hole 13, the both ends of branch 7 all are equipped with the screw thread, and branch 7 all passes through threaded connection with last base 2 and lower base 1.
The number of the supporting rods 7 is four, and the four supporting rods 7 are vertically arranged between the upper base 2 and the lower base 1 and are respectively positioned at the positions close to four corners of the lower base 1.
The upper base 2 is provided with a feed port 11, and during forging, materials are injected into a die cavity formed between the upper die 6 and the lower die 5 through the feed port 11.
The power component 4 is arranged on the lower surface of the upper base 2; go up mould 6 and locate on power component 4's lower surface, power component 4 adopts the cylinder, and on cylinder one end was located the lower surface of last base 2, the output was connected with last mould 6, and mould 6 reciprocated on the drive.
An auxiliary demoulding layer 3 is also arranged on the supporting component, and the auxiliary demoulding layer 3 is arranged on the lower base 1 and is positioned between the lower base 5 and the lower base 1.
An air inlet 12 is positioned on the auxiliary stripping shell 3, and the pneumatic assembly is conveniently inflated through the air inlet 12.
The transmission assembly comprises connecting rods 16, four telescopic arms 8 and four telescopic rods 9, wherein the four telescopic arms 8 are arranged on the upper surface of the auxiliary stripping shell 3; one end of the telescopic rod 9 penetrates through the telescopic arm 8, extends into the auxiliary stripping shell 3 and is connected with the connecting rod 16, the other end of the telescopic rod is provided with a fixed disk 10 and is connected with the power component 4, and the power component 4 can move to drive the telescopic rod 9 connected with the power component 4 through the fixed disk 10 to move; connecting rod 16 is located the below of push pedal 14, and with push rod 15 fixed connection, connecting rod 16 removes and is convenient for drive push pedal 14 through push rod 15 and removes, promotes the forging of laminating on the mould and demolds, and the forging of being convenient for drops. The telescopic rod 9 that the telescopic rod 9 is located telescopic arm 8 is fitted with a contraceptive ring and is equipped with first stopper 20, and the displacement of restriction telescopic rod 9 is avoided telescopic rod 9 displacement too far.
The telescopic link 9 includes first telescopic link 21, second telescopic link 23 and second stopper 22, the one end of first telescopic link 21 is worn to locate in second telescopic link 23, and be equipped with second stopper 22, the first telescopic link 21 that is located in second telescopic link 23 is fitted with a contraceptive ring and is equipped with the spring, when telescopic link 9 compresses, at first telescopic link 21 can remove one section distance to second telescopic link 23, when second stopper 22 restriction first telescopic link 21 removed, telescopic link 9 is in the complete compression state, drive push pedal 14 downstream through drive assembly, make push pedal 14 resume the normal position, be convenient for forge once more.
The first limiting block 20 is arranged on the second telescopic rod 23.
The working principle and the using process of the invention are as follows: when the die sinking, 6 rebound of mould in power component 4 drive, drive telescopic link 9 rebound through fixed disk 10, drive first telescopic link 21 rebound, when the second stopper 22 of locating on first telescopic link 21 removes the top of second telescopic link 23, drive second telescopic link 23 rebound, drive the connecting rod 16 rebound of being connected with second telescopic link 23, the push pedal 14 of locating the die cavity bottom is connected with connecting rod 14 through push rod 15, it promotes the forging drawing of patterns to drive push pedal 14 rebound, the bottom in die cavity still is equipped with out gas piece 19, connect through pipe 18, aerify the supplementary forging drawing of patterns of being convenient for to pipe 18, the drawing of patterns speed of forging has been improved, forging efficiency is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A concrete mixer part forging die convenient to disassemble and assemble is characterized by comprising a supporting component, a forging mechanism and a demoulding mechanism, wherein the forging mechanism and the demoulding mechanism are arranged on the supporting component;
the forging mechanism comprises a die assembly and a power assembly (4), the die assembly comprises a lower die (5) and an upper die (6), the upper die (6) is positioned above the lower die (5), the upper die is arranged on the supporting assembly through the power assembly (4), and die grooves are formed in the surfaces, opposite to the lower die (5), of the upper die (6);
the demolding mechanism comprises a pushing assembly, a transmission assembly and a pneumatic assembly, wherein the pushing assembly comprises a push plate (14) and a push rod (15), and the push plate (14) is positioned at the bottom of the mold cavity in the lower mold (5); one end of the push rod (15) is connected with the push plate (14), and the other end of the push rod penetrates through the bottom of the lower die (5) and is connected with the transmission assembly; the pneumatic assembly comprises an air outlet block (19) and a guide pipe (18), and the air outlet block (19) is arranged in the die cavity and is positioned below the push plate (14); one end of the conduit (18) is arranged on the lower die (5) in a penetrating way and is connected with the air outlet block (19), and the other end of the conduit is provided with an air inlet (12).
2. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 1, wherein: the supporting assembly comprises a lower base (1), an upper base (2) and a supporting rod (7), the upper base (2) and the lower base (1) are both cuboid, the upper base (2) and the lower base (1) are connected through the supporting rod (7), and the upper base (2) is parallelly positioned above the lower base (1); positioning holes (13) are formed in the upper base (2) and the lower base (1); the positioning hole (13) is internally provided with threads, the two ends of the supporting rod (7) are respectively provided with threads, and the supporting rod (7) is connected with the upper base (2) and the lower base (1) through threads.
3. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 2, wherein: the number of the supporting rods (7) is four, and the four supporting rods (7) are vertically arranged between the upper base (2) and the lower base (1) and are respectively positioned at positions close to four corners of the lower base (1).
4. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 1, wherein: the upper base (2) is provided with a feed inlet (11).
5. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 2, wherein: the power assembly (4) is arranged on the lower surface of the upper base (2); the upper die (6) is arranged on the lower surface of the power assembly (4).
6. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 2, wherein: the supporting component is also provided with an auxiliary demoulding shell (3), and the auxiliary demoulding shell (3) is arranged on the lower base (1) and is positioned between the lower base (5) and the lower base (1).
7. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 6, wherein: the air inlet (12) is positioned on the auxiliary stripping shell (3).
8. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 7, wherein: the transmission assembly comprises connecting rods (16), four telescopic arms (8) and four telescopic rods (9), and the four telescopic arms (8) are arranged on the upper surface of the auxiliary demoulding body (3); one end of the telescopic rod (9) penetrates through the telescopic arm (8), extends into the auxiliary demoulding body (3) and is connected with the connecting rod (16), and the other end of the telescopic rod is provided with a fixed disc (10) and is connected with the power assembly; the connecting rod (16) is positioned below the push plate (14) and is fixedly connected with the push rod (15). The telescopic rod (9) of the telescopic rod (9) located in the telescopic arm (8) is provided with a first limiting block (20) in an encircling manner.
9. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 8, wherein: the telescopic rod (9) comprises a first telescopic rod (21), a second telescopic rod (23) and a second limiting block (22), one end of the first telescopic rod (21) is arranged in the second telescopic rod (23) in a penetrating mode, and the second limiting block (22) is arranged.
10. The concrete mixer truck part forging die convenient to disassemble and assemble according to claim 9, wherein: the first limiting block (20) is arranged on the second telescopic rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959953.6A CN112475177A (en) | 2020-09-14 | 2020-09-14 | Concrete mixer truck part forging die convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959953.6A CN112475177A (en) | 2020-09-14 | 2020-09-14 | Concrete mixer truck part forging die convenient to disassemble and assemble |
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| Publication Number | Publication Date |
|---|---|
| CN112475177A true CN112475177A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010959953.6A Pending CN112475177A (en) | 2020-09-14 | 2020-09-14 | Concrete mixer truck part forging die convenient to disassemble and assemble |
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| CN (1) | CN112475177A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2091235C1 (en) * | 1996-06-06 | 1997-09-27 | Открытое акционерное общество "ГАЗ" | Hot forging apparatus |
| JP2010017728A (en) * | 2008-07-08 | 2010-01-28 | Aisin Aw Co Ltd | Forging device |
| CN102989976A (en) * | 2011-09-12 | 2013-03-27 | 日立金属株式会社 | Forging device |
| CN105363915A (en) * | 2015-11-24 | 2016-03-02 | 重庆研艺科技有限公司 | Pneumatic ejection punching die |
| CN207770664U (en) * | 2018-01-17 | 2018-08-28 | 东莞市皓丰金属制品有限公司 | It is a kind of can deslagging mould bases |
| CN209613979U (en) * | 2019-01-07 | 2019-11-12 | 上海运良企业发展有限公司 | A kind of flange forge piece edge-cutting and hole-punching mould structure |
| CN110947890A (en) * | 2019-12-22 | 2020-04-03 | 山东温岭精锻科技有限公司 | Fine forging die for engine connecting rod blank |
| CN210648212U (en) * | 2019-07-24 | 2020-06-02 | 青岛海立美达精密机械制造有限公司 | Stamping die of automobile body reinforcing plate |
-
2020
- 2020-09-14 CN CN202010959953.6A patent/CN112475177A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2091235C1 (en) * | 1996-06-06 | 1997-09-27 | Открытое акционерное общество "ГАЗ" | Hot forging apparatus |
| JP2010017728A (en) * | 2008-07-08 | 2010-01-28 | Aisin Aw Co Ltd | Forging device |
| CN102989976A (en) * | 2011-09-12 | 2013-03-27 | 日立金属株式会社 | Forging device |
| CN105363915A (en) * | 2015-11-24 | 2016-03-02 | 重庆研艺科技有限公司 | Pneumatic ejection punching die |
| CN207770664U (en) * | 2018-01-17 | 2018-08-28 | 东莞市皓丰金属制品有限公司 | It is a kind of can deslagging mould bases |
| CN209613979U (en) * | 2019-01-07 | 2019-11-12 | 上海运良企业发展有限公司 | A kind of flange forge piece edge-cutting and hole-punching mould structure |
| CN210648212U (en) * | 2019-07-24 | 2020-06-02 | 青岛海立美达精密机械制造有限公司 | Stamping die of automobile body reinforcing plate |
| CN110947890A (en) * | 2019-12-22 | 2020-04-03 | 山东温岭精锻科技有限公司 | Fine forging die for engine connecting rod blank |
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Address after: 242100 Baimao East Road, Langxi Economic Development Zone, Xuancheng City, Anhui Province Applicant after: Langxi Haoliang Forging Co.,Ltd. Address before: 245000 east of the intersection of Zhenxing Avenue and Fushan Road, Chengbei Industrial Park, Huizhou District, Huangshan City, Anhui Province Applicant before: Langxi Haoliang Forging Co.,Ltd. |