CN102407648B - Hot-pressing air-blowing forming method of decoration member of automobile trunk - Google Patents
Hot-pressing air-blowing forming method of decoration member of automobile trunk Download PDFInfo
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- CN102407648B CN102407648B CN2010102873377A CN201010287337A CN102407648B CN 102407648 B CN102407648 B CN 102407648B CN 2010102873377 A CN2010102873377 A CN 2010102873377A CN 201010287337 A CN201010287337 A CN 201010287337A CN 102407648 B CN102407648 B CN 102407648B
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Abstract
The invention discloses a hot-pressing air-blowing forming method of a decoration member of automobile trunk. The method is characterized in that a first layer of wood powder plate is heated in a baking oven to a high elastic state for keeping constant temperature, the holes are made on the first layer of the wood powder plate, then a second layer of wood powder plate which is heated to the high elastic state is laid on the first layer wood powder plate, non-woven fabrics are respectively laid on a lower die and an upper die of a relative die of the first layer wood powder plate and the second layer wood powder plate, the matched die stitches the first layer wood powder plate, the second layer wood powder plate and two layers of non-woven fabrics, high pressure gas is employed for carrying out high pressure gas blowing between the first layer wood powder plate and the second layer wood powder plate, a honeycomb structure is formed by bonding the first layer wood powder plate, the second layer wood powder plate and two layers of non-woven fabrics, then processes of keeping pressure, cooling and moulding are performed. The invention has the advantages of comprehensively raising the integral performance of the product, raising surface quality of the product and raising the product quality.
Description
Technical field
The present invention relates to the decoration member of automobile trunk manufacture craft, be specifically related to a kind of hot-pressing air-blowing forming method of decoration member of automobile trunk.
Background technology
The manufacture craft of traditional decoration member of automobile trunk mainly contains two kinds: a kind of is to adopt wood flour board+nonwoven as raw material, it is by cutting bonding formation finished product after moulding, the advantage of this product is planar structure, simple in structure, cost is low, and shortcoming is that material property is poor, can not meet the basic instructions for use of car load (as intensity, hardness, resistance to water, crushing resistance etc.); Smell can't meet instructions for use (formaldehyde etc. exceed standard); Surface quality of workpieces is poor, and is not attractive in appearance.Another kind is to adopt phenolic resins felt+nonwoven as raw material, and it forms finished product by hot-forming, assembling, and the advantage of this product is planar structure, and is simple in structure, and cost is low, and to be that smell is more difficult meet instructions for use (formaldehyde etc. exceed standard) to shortcoming; Surface quality of workpieces is poor, and is not attractive in appearance; Material property is poor, can not meet the basic instructions for use of car load (as intensity, crushing resistance etc.)
In sum, because this part is arranged in luggage case, be placed on spare tyre, can carry heavier article in normal use procedure, service condition is also poor, so relatively high to index requests such as its various physical property, smell, surface quality, mainly there is following problem for the above-mentioned technique of this part:
1, material property is poor, can not meet the basic instructions for use of car load (as intensity, hardness, resistance to water, crushing resistance etc.); 2, surface quality of workpieces is poor, and is not attractive in appearance.
Summary of the invention
The hot-pressing air-blowing forming method that the purpose of this invention is to provide a kind of decoration member of automobile trunk, overcome the prior art material property poor, can not meet the basic instructions for use of car load and surface quality of workpieces poor, inaesthetic shortcoming; Can comprehensively improve the overall performance of product.
In order to reach above-mentioned purpose of design, the technical solution used in the present invention is as follows:
a kind of hot-pressing air-blowing forming method of decoration member of automobile trunk, with the ground floor wood flour board after baking oven is heated to elastomeric state, keep temperature-resistant, punch on the ground floor wood flour board, then at the second layer wood flour board of laying on the ground floor wood flour board after being heated to elastomeric state, counterdie at the ground floor wood flour board mould relative with second layer wood flour board, lay respectively nonwoven on patrix, matched moulds pressing ground floor wood flour board, second layer wood flour board and two-layer nonwoven, adopt again gases at high pressure high pressure blow-gas between ground floor wood flour board and second layer wood flour board, make the bonding formation honeycomb of ground floor wood flour board and second layer wood flour board and two-layer nonwoven, again through the pressurize cooling forming.
its flow process is: the ground floor wood flour board, second layer wood flour board location, vacuum suction ground floor wood flour board, second layer wood flour board automatic transport, by rack with the ground floor wood flour board, second layer wood flour board is sent into baking oven, the ground floor wood flour board, second layer wood flour board heats in baking oven, send and be fixed on the ground floor wood flour board in mould by rack, punch on the ground floor wood flour board, by mesh-belt conveying second layer wood flour board, second layer wood flour board is laid on the ground floor wood flour board, matched moulds, high pressure blow-gas, the pressurize cooling forming.
Described ground floor wood flour board, when second layer wood flour board heats in baking oven, lay respectively nonwoven on the counterdie of mould, patrix, and punch on the nonwoven on lower mould.
Preferably, remain on 160～180 ℃ to temperature before the pressurize cooling forming after described ground floor wood flour board, second layer wood flour board heat in baking oven.
The idiographic flow of the hot-pressing air-blowing forming method of described decoration member of automobile trunk is:
Step 1: ground floor wood flour board, second layer wood flour board are separately fixed on the material loading pallet, and by positioning rule, locate, the position line error on ground floor wood flour board position and material loading pallet is-10～+ 10mm; Ground floor wood flour board and second layer wood flour board interval 0～10mm;
Step 2: ground floor wood flour board and second layer wood flour board are distinguished vacuum suction on guipure, by guipure, drive ground floor wood flour board and the self-feeding of second layer wood flour board;
Step 3: guipure drives the ground floor wood flour board and second layer wood flour board enters in baking oven;
Step 4: start baking oven, ground floor wood flour board, second layer wood flour board homogeneous heating 75～85S in baking oven, heating-up temperature is 160～180 ℃, makes ground floor wood flour board, second layer wood flour board temperature remain on 160～180 ℃; Simultaneously lay respectively nonwoven on the counterdie of mould, patrix, and the nonwoven on the counterdie of mould is by the punch press automatic punching;
Step 5: keep ground floor wood flour board temperature at 160～180 ℃, drive the ground floor wood flour board by rack and send baking oven and deliver in mould, the nonwoven of laying on ground floor wood flour board and counterdie is fixed in mould;
Step 6: keep ground floor wood flour board temperature at 160～180 ℃, by punch press, punch on the ground floor wood flour board;
Step 7: keep ground floor wood flour board temperature at 160～180 ℃, by the second layer wood flour board of rack delivery temperature at 160～180 ℃, and second layer wood flour board is laid on the ground floor wood flour board, and the nonwoven of laying in second layer wood flour board and upper mould is relative;
Step 8: keep ground floor wood flour board, second layer wood flour board temperature at 160～180 ℃, the upper moulded of mould is carried out matched moulds on counterdie, make ground floor wood flour board, second layer wood flour board and two-layer nonwoven be interposed between upper die and lower die, the pressure of matched moulds is controlled at 120～150Ton;
Step 9: keep ground floor wood flour board, second layer wood flour board temperature at 160～180 ℃, the maintenance clamping pressure is 120～150Ton, high pressure blow-gas between ground floor wood flour board, second layer wood flour board, blow gas pressure is 5～7bar, gassing time 30～35S, under the effect in the hole on the ground floor wood flour board, bonding formation honeycomb between ground floor wood flour board, second layer wood flour board;
Step 10: the maintenance clamping pressure is 120～150Ton, and blow gas pressure is 5～7bar, and to the ground floor wood flour board, that second layer wood flour board carries out pressurize is cooling, be 40～50S cool time, is cooled to get final product after normal temperature.
Preferably, described rack absorption ground floor wood flour board is during with second layer wood flour board, and the interior vacuum of rack is less than-0.7Bar.
Preferably, described while punching on the ground floor wood flour board, the air pressure of punching cylinder is 6～7Bar.
Preferably, the stroke of described guipure is 290～300mm; The rotating speed of guipure is 32 ± 1HZ; The advance and retreat speed of guipure is 46 ± 1HZ, adopts the mode of rolling feeding limit, guipure limit linear feeding.
Preferably, described ground floor wood flour board, second layer wood flour board surface zero lap fold, drawing crack.
Preferably, described ground floor wood flour board, second layer wood flour board are positioned on guipure by the guipure locating piece.
The beneficial effect of the hot-pressing air-blowing forming method of decoration member of automobile trunk of the present invention is: owing to adopting gases at high pressure to blow, finalize the design, interiors of products can form honeycomb, four layers of honeycomb of this process using, can promote to greatest extent the bulk strength of wood flour board, comprehensively improve the overall performance of product; Simultaneously, the method that adopts gases at high pressure to blow and finalize the design, make the product upper and lower surface can reasonably increase the top layer ornament, and then improve product surface quality.
Owing to adopting new material, avoid the pernicious gas volatilization, meet test requirements document; Nonwoven (350g/m2 acupuncture) fabric is adopted on top layer, and piece surface is more soft, richer texture; Single-piece circulation beat is 120S, adopts this mode, compares former technique, more saves manufacturing cost; In the situation of all parameter stabilities, use this technique, percent defective can be controlled below 2%.
The specific embodiment
Below optimum implementation of the present invention is described in further detail.
The specific embodiment 1:
Step 1: ground floor wood flour board, second layer wood flour board are separately fixed on the material loading pallet, and by positioning rule, locate, the position line error on ground floor wood flour board position and material loading pallet is 8mm; Ground floor wood flour board and second layer wood flour board interval 8mm;
Step 2: ground floor wood flour board and second layer wood flour board are distinguished vacuum suction on guipure, drive ground floor wood flour board and the self-feeding of second layer wood flour board by guipure, the vacuum when described guipure absorption ground floor wood flour board and second layer wood flour board in guipure is-0.8Bar;
Step 3: guipure drives the ground floor wood flour board and second layer wood flour board enters in baking oven;
Step 4: start baking oven, ground floor wood flour board, second layer wood flour board homogeneous heating 75S in baking oven, heating-up temperature is 170 ℃, makes ground floor wood flour board, second layer wood flour board temperature remain on 170 ℃; During heating, both sides, up and down nonwoven is fixed on the upper die and lower die of mould in advance, and passes through the punch press automatic punching on the nonwoven on counterdie.
Step 5: keep ground floor wood flour board temperature at 170 ℃, drive the ground floor wood flour board by rack and send baking oven and deliver in mould, ground floor wood flour board and nonwoven are fixed in mould;
Step 6: keep ground floor wood flour board temperature more than 160 ℃, by punch press, punch on the ground floor wood flour board, the punching air pressure of punching cylinder is 6Bar;
Step 7: keep ground floor wood flour board temperature more than 160 ℃, by the second layer wood flour board of rack delivery temperature at 170 ℃, and second layer wood flour board is laid on the ground floor wood flour board, and the nonwoven of laying in second layer wood flour board and upper mould is relative;
Step 8: keep ground floor wood flour board, second layer wood flour board temperature more than 160 ℃, the upper moulded of mould is carried out matched moulds on counterdie, make ground floor wood flour board, second layer wood flour board and two-layer nonwoven be interposed between upper die and lower die, the pressure of matched moulds is controlled at 120Ton;
Step 9: keep ground floor wood flour board, second layer wood flour board and two-layer nonwoven temperature more than 160 ℃, the maintenance clamping pressure is 120Ton, high pressure blow-gas between ground floor wood flour board, second layer wood flour board, blow gas pressure is 6bar, gassing time 35S, under the effect in the hole on the ground floor wood flour board, bonding formation honeycomb between ground floor wood flour board, second layer wood flour board;
Step 10: the maintenance clamping pressure is 120Ton, and blow gas pressure is 6bar, and to the ground floor wood flour board, that second layer wood flour board carries out pressurize is cooling, be 40S cool time, is cooled to get final product after normal temperature.
The specific embodiment 2:
Step 1: ground floor wood flour board, second layer wood flour board are separately fixed on the material loading pallet, and by positioning rule, locate, the position line error on ground floor wood flour board position and material loading pallet is-8mm; Ground floor wood flour board and second layer wood flour board interval 5mm;
Step 2: ground floor wood flour board and second layer wood flour board are distinguished vacuum suction on guipure, drive ground floor wood flour board and the self-feeding of second layer wood flour board by guipure, the vacuum when described guipure absorption ground floor wood flour board and second layer wood flour board in guipure is-0.8Bar;
Step 3: guipure drives the ground floor wood flour board and second layer wood flour board enters in baking oven;
Step 4: start baking oven, ground floor wood flour board, second layer wood flour board homogeneous heating 85S in baking oven, heating-up temperature is 180 ℃, makes ground floor wood flour board, second layer wood flour board temperature remain on 180 ℃; During heating, both sides, up and down nonwoven is fixed on the upper die and lower die of mould in advance, and passes through the punch press automatic punching on the nonwoven on counterdie.
Step 5: keep ground floor wood flour board temperature at 180 ℃, drive the ground floor wood flour board by rack and send baking oven and deliver in mould, ground floor wood flour board and nonwoven are fixed in mould;
Step 6: keep ground floor wood flour board temperature more than 170 ℃, by punch press, punch on the ground floor wood flour board, the punching air pressure of punching cylinder is 7Bar;
Step 7: keep ground floor wood flour board temperature more than 170 ℃, by the second layer wood flour board of rack delivery temperature at 180 ℃, and second layer wood flour board is laid on the ground floor wood flour board, and the nonwoven of laying in second layer wood flour board and upper mould is relative;
Step 8: keep ground floor wood flour board, second layer wood flour board temperature more than 170 ℃, the upper moulded of mould is carried out matched moulds on counterdie, make ground floor wood flour board, second layer wood flour board and two-layer nonwoven be interposed between upper die and lower die, the pressure of matched moulds is controlled at 150Ton;
Step 9: keep ground floor wood flour board, second layer wood flour board and two-layer nonwoven temperature more than 170 ℃, the maintenance clamping pressure is 150Ton, high pressure blow-gas between ground floor wood flour board, second layer wood flour board, blow gas pressure is 7bar, gassing time 30S, under the effect in the hole on the ground floor wood flour board, bonding formation honeycomb between ground floor wood flour board, second layer wood flour board;
Step 10: the maintenance clamping pressure is 150Ton, and blow gas pressure is 7bar, and to the ground floor wood flour board, that second layer wood flour board carries out pressurize is cooling, be 50S cool time, is cooled to get final product after normal temperature.
The specific embodiment 3:
Step 1: ground floor wood flour board, second layer wood flour board are separately fixed on the material loading pallet, and by positioning rule, locate, the position line error on ground floor wood flour board position and material loading pallet is 3mm; Ground floor wood flour board and second layer wood flour board interval 10mm;
Step 2: ground floor wood flour board and second layer wood flour board are distinguished vacuum suction on guipure, drive ground floor wood flour board and the self-feeding of second layer wood flour board by guipure, the vacuum when described guipure absorption ground floor wood flour board and second layer wood flour board in guipure is-0.9Bar;
Step 3: guipure drives the ground floor wood flour board and second layer wood flour board enters in baking oven;
Step 4: start baking oven, ground floor wood flour board, second layer wood flour board homogeneous heating 80S in baking oven, heating-up temperature is 170 ℃, makes ground floor wood flour board, second layer wood flour board temperature remain on 170 ℃; During heating, both sides, up and down nonwoven is fixed on the upper die and lower die of mould in advance, and passes through the punch press automatic punching on the nonwoven on counterdie.
Step 5: keep ground floor wood flour board temperature at 170 ℃, drive the ground floor wood flour board by rack and send baking oven and deliver in mould, ground floor wood flour board and nonwoven are fixed in mould;
Step 6: keep ground floor wood flour board temperature more than 160 ℃, by punch press, punch on the ground floor wood flour board, the punching air pressure of punching cylinder is 6.5Bar;
Step 7: keep ground floor wood flour board temperature more than 160 ℃, by the second layer wood flour board of rack delivery temperature at 170 ℃, and second layer wood flour board is laid on the ground floor wood flour board, and the nonwoven of laying in second layer wood flour board and upper mould is relative;
Step 8: keep ground floor wood flour board, second layer wood flour board temperature more than 160 ℃, the upper moulded of mould is carried out matched moulds on counterdie, make ground floor wood flour board, second layer wood flour board and two-layer nonwoven be interposed between upper die and lower die, the pressure of matched moulds is controlled at 135Ton;
Step 9: keep ground floor wood flour board, second layer wood flour board and two-layer nonwoven temperature more than 160 ℃, the maintenance clamping pressure is 135Ton, high pressure blow-gas between ground floor wood flour board, second layer wood flour board, blow gas pressure is 6.5bar, gassing time 33S, under the effect in the hole on the ground floor wood flour board, bonding formation honeycomb between ground floor wood flour board, second layer wood flour board;
Step 10: the maintenance clamping pressure is 135Ton, and blow gas pressure is 6.5bar, and to the ground floor wood flour board, that second layer wood flour board carries out pressurize is cooling, be 45S cool time, is cooled to get final product after normal temperature.
Following table is that the method for the invention and traditional handicraft are made the properties of product table of comparisons:
In sum, with traditional handicraft, compare, method of the present invention properties of product in anti-mist test, smell test are improved; Burst size of methanal, content of beary metal, the compressive property of its product are greatly improved simultaneously, meet Application standard, meet user demand.
This specific embodiment is the preferred embodiments of the present invention, can not limit the present invention, and concrete every rights protection scope is defined by the claims.
Claims (6)
1. the hot-pressing air-blowing forming method of a decoration member of automobile trunk, it is characterized in that: with the ground floor wood flour board after baking oven is heated to elastomeric state, keep temperature-resistant, punch on the ground floor wood flour board, then at the second layer wood flour board of laying on the ground floor wood flour board after being heated to elastomeric state, counterdie at the ground floor wood flour board mould relative with second layer wood flour board, lay respectively nonwoven on patrix, matched moulds pressing ground floor wood flour board, second layer wood flour board and two-layer nonwoven, adopt again gases at high pressure high pressure blow-gas between ground floor wood flour board and second layer wood flour board, make the bonding formation honeycomb of ground floor wood flour board and second layer wood flour board and two-layer nonwoven, again through the pressurize cooling forming, idiographic flow is:
Step 1: ground floor wood flour board, second layer wood flour board are separately fixed on the material loading pallet, and by positioning rule, locate, the position line error on ground floor wood flour board position and material loading pallet is-10～+ 10mm; Ground floor wood flour board and second layer wood flour board interval 0～10mm;
Step 2: ground floor wood flour board and second layer wood flour board are distinguished vacuum suction on guipure, by guipure, drive ground floor wood flour board and the self-feeding of second layer wood flour board;
Step 3: guipure drives the ground floor wood flour board and second layer wood flour board enters in baking oven;
Step 4: start baking oven, ground floor wood flour board, second layer wood flour board homogeneous heating 75～85S in baking oven, heating-up temperature is 160～180 ℃, makes ground floor wood flour board, second layer wood flour board temperature remain on 160～180 ℃; Simultaneously lay respectively nonwoven on the counterdie of mould, patrix, and the nonwoven on the counterdie of mould is by the punch press automatic punching;
Step 5: keep ground floor wood flour board temperature at 160～180 ℃, drive the ground floor wood flour board by guipure and send baking oven and deliver in mould, the nonwoven of laying on ground floor wood flour board and counterdie is fixed in mould;
Step 6: keep ground floor wood flour board temperature at 160～180 ℃, by punch press, punch on the ground floor wood flour board;
Step 7: keep ground floor wood flour board temperature at 160～180 ℃, by the second layer wood flour board of mesh-belt conveying temperature at 160～180 ℃, and second layer wood flour board is laid on the ground floor wood flour board, and the nonwoven of laying in second layer wood flour board and upper mould is relative;
Step 8: keep ground floor wood flour board, second layer wood flour board temperature at 160～180 ℃, the upper moulded of mould is carried out matched moulds on counterdie, make ground floor wood flour board, second layer wood flour board and two-layer nonwoven be interposed between upper die and lower die, the pressure of matched moulds is controlled at 120～150Ton;
Step 9: keep ground floor wood flour board, second layer wood flour board temperature at 160～180 ℃, the maintenance clamping pressure is 120～150Ton, high pressure blow-gas between ground floor wood flour board, second layer wood flour board, blow gas pressure is 5～7bar, gassing time 30～35S, under the effect in the hole on the ground floor wood flour board, bonding formation honeycomb between ground floor wood flour board, second layer wood flour board;
Step 10: the maintenance clamping pressure is 120～150Ton, and blow gas pressure is 5～7bar, and to the ground floor wood flour board, that second layer wood flour board carries out pressurize is cooling, be 40～50S cool time, is cooled to get final product after normal temperature.
2. the hot-pressing air-blowing forming method of decoration member of automobile trunk according to claim 1 is characterized in that: described guipure absorption ground floor wood flour board is during with second layer wood flour board, and the interior vacuum of guipure is less than-0.7Bar.
3. the hot-pressing air-blowing forming method of decoration member of automobile trunk according to claim 1 is characterized in that: while punching on the ground floor wood flour board, the air pressure of punching cylinder is 6～7Bar.
4. the hot-pressing air-blowing forming method of decoration member of automobile trunk according to claim 1, it is characterized in that: the stroke of described guipure is 290～300mm; The rotating speed of guipure is 32 scholar 1HZ; The advance and retreat speed of guipure is 46 scholar 1HZ, employing be the mode of rolling feeding limit, guipure limit linear feeding.
5. the hot-pressing air-blowing forming method of decoration member of automobile trunk according to claim 1, is characterized in that: ground floor wood flour board, second layer wood flour board surface maintenance zero lap fold, drawing crack state.
6. the hot-pressing air-blowing forming method of decoration member of automobile trunk according to claim 1, it is characterized in that: ground floor wood flour board, second layer wood flour board are positioned on guipure by the guipure locating piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102873377A CN102407648B (en) | 2010-09-20 | 2010-09-20 | Hot-pressing air-blowing forming method of decoration member of automobile trunk |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102873377A CN102407648B (en) | 2010-09-20 | 2010-09-20 | Hot-pressing air-blowing forming method of decoration member of automobile trunk |
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| CN102407648A CN102407648A (en) | 2012-04-11 |
| CN102407648B true CN102407648B (en) | 2013-11-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102825639B (en) * | 2012-08-23 | 2014-11-26 | 无锡吉兴汽车声学部件科技有限公司 | Production method of manufacturing rear shelf of automobile by using PP (Polypropylene) wood flour plate |
| CN110126241B (en) * | 2019-05-17 | 2022-03-29 | 鸿泰佛吉亚复合材料(武汉)有限公司 | Battery shell molding process |
| CN110667017B (en) * | 2019-10-08 | 2021-10-12 | 平湖新仕鑫新材料股份有限公司 | Shaping equipment for positioning luggage accurately by utilizing air pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2587614Y (en) * | 2002-12-23 | 2003-11-26 | 烟台汽车内饰总公司 | PP wood flour board |
| CN1548284A (en) * | 2003-05-09 | 2004-11-24 | 延锋伟世通汽车饰件系统有限公司 | One-step forming process of inner automobile door decorating board with soft stuffing |
| CN101332839A (en) * | 2008-06-23 | 2008-12-31 | 刘明春 | Production method of vehicle back-shelf board |
| CN101513761A (en) * | 2008-11-23 | 2009-08-26 | 东风伟世通（十堰）汽车饰件系统有限公司 | Process method for punching inside of automobile inner decorative mould |
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2010
- 2010-09-20 CN CN2010102873377A patent/CN102407648B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2587614Y (en) * | 2002-12-23 | 2003-11-26 | 烟台汽车内饰总公司 | PP wood flour board |
| CN1548284A (en) * | 2003-05-09 | 2004-11-24 | 延锋伟世通汽车饰件系统有限公司 | One-step forming process of inner automobile door decorating board with soft stuffing |
| CN101332839A (en) * | 2008-06-23 | 2008-12-31 | 刘明春 | Production method of vehicle back-shelf board |
| CN101513761A (en) * | 2008-11-23 | 2009-08-26 | 东风伟世通（十堰）汽车饰件系统有限公司 | Process method for punching inside of automobile inner decorative mould |
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Address after: 101300 Shunyi District Lin River Industrial Development Zone, Shun Road, No. 55, No. Patentee after: YANFENG HAINACHUAN AUTOMOTIVE TRIM SYSTEMS Co.,Ltd. Patentee after: Yanfeng Automotive Trim Systems Co.,Ltd. Address before: 101300 Shunyi District Lin River Industrial Development Zone, Shun Road, No. 55, No. Patentee before: Yanfeng Visteon (Beijing) Automotive Trim System Co.,Ltd. Patentee before: Yanfeng Visteon Automotive Trim Systems Co.,Ltd. |
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Effective date of registration: 20160715 Address after: 101300 Shunyi District Lin River Industrial Development Zone, Shun Road, No. 55, No. Patentee after: YANFENG HAINACHUAN AUTOMOTIVE TRIM SYSTEMS Co.,Ltd. Patentee after: Shanghai Yanfeng Jinqiao Automotive Trim Systems Co.,Ltd. Address before: 101300 Shunyi District Lin River Industrial Development Zone, Shun Road, No. 55, No. Patentee before: YANFENG HAINACHUAN AUTOMOTIVE TRIM SYSTEMS Co.,Ltd. Patentee before: Yanfeng Automotive Trim Systems Co.,Ltd. |