CN111074052B - Production method of tinned substrate for SPCC deep drawing - Google Patents
Production method of tinned substrate for SPCC deep drawing Download PDFInfo
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- CN111074052B CN111074052B CN201911397363.2A CN201911397363A CN111074052B CN 111074052 B CN111074052 B CN 111074052B CN 201911397363 A CN201911397363 A CN 201911397363A CN 111074052 B CN111074052 B CN 111074052B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000000758 substrate Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 238000000137 annealing Methods 0.000 claims abstract description 37
- 238000005097 cold rolling Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000037303 wrinkles Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 28
- 238000007599 discharging Methods 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 238000004321 preservation Methods 0.000 description 8
- 230000002441 reversible effect Effects 0.000 description 8
- 239000005028 tinplate Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
Abstract
The invention discloses a production method of a tinned substrate for SPCC deep drawing, which takes an SPHC hot-rolled steel coil as a raw material; firstly, carrying out first cold rolling, then carrying out cover annealing, then carrying out second cold rolling, then carrying out cover annealing again, and finally carrying out flattening to obtain the tinned substrate. According to the method, the stamping performance of the SPCC tinned product is improved on the premise of improving the yield by a production mode combining two times of cold rolling and two times of cover annealing, the probability of producing wrinkles, cracks and skirt edge defect inferior products when downstream customers produce products with stamping requirements is greatly reduced, and the market competitiveness of the products is improved.
Description
Technical Field
The invention belongs to the field of metal material processing and metal heat treatment, and particularly relates to a production method of a tinned substrate for SPCC (spray copper foil) deep drawing.
Background
The tin plate has good corrosion resistance, excellent tin soldering property and good printing performance, belongs to a recyclable material, is widely applied to the field of packaging of food cans, beverage cans and the like, is deeply favored by consumers and has gradually improved market acceptance.
With the increase of personalized demands of the market, a plurality of products with large deformation and stamping resistance are frequently generated in the tin plate packaging product, so that higher requirements are provided for the mechanical property of the tin plate, and the mechanical property of the tin plate is greatly influenced by the cold rolling annealing process and the original material of the hot rolled coil. At present, the conventional SPCC tinned product circulated in the market generally adopts SPHC material raw materials, and is subjected to acid cleaning, rolling, then directly subjected to cover annealing, and finally flattened and tinned. The tin-plated substrate produced by rolling the SPHC raw material and then adopting conventional one-time cover annealing is subjected to high-temperature annealing for pursuing the formability, but a steel coil is seriously bonded with steel after the high-temperature annealing, the subsequent production difficulty is large, the yield is low, and the tin-plated substrate product produced by the process is limited by the cover annealing mode and the raw material, and the stamping performance of the tin-plated substrate product can be used for a part of products with lower stamping requirements but can not meet the use requirements of deep-drawn products.
Disclosure of Invention
The invention aims to provide a production method of a tinned substrate for SPCC deep drawing, so as to obtain the tinned substrate which meets the requirement of deep drawing performance and is low in cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the SPHC hot rolled steel coil is used as a raw material; firstly, carrying out first cold rolling, then carrying out first cover annealing, then carrying out second cold rolling, then carrying out second cover annealing, and finally carrying out flattening to obtain the tinned substrate for deep drawing.
The first cold rolling process comprises the following steps: the thickness of the hot-rolled steel coil is 2.3-2.75mm, and the thickness of the hot-rolled steel coil is rolled to be 0.6-0.75 mm through cold rolling;
the first cover annealing process is that the rolled steel coil is heated to 640-680 ℃ at the speed of 100 ℃/h, the temperature is kept for 13-16 hours, the steel coil is cooled to 500 ℃ along with the furnace after the temperature is kept, the heating cover is replaced by a cooling cover, the steel coil is cooled to 350 ℃ along with the furnace, the steel coil is cooled to 250 ℃ along with the furnace, the steel coil is cooled until the steel coil is cooled to 80 ℃, and the steel coil is taken out of the furnace;
the second cold rolling process comprises the following steps: rolling the annealed steel plate to the thickness of 0.18-0.27 mm;
the second cover type annealing process comprises the following steps: heating the rolled steel coil to 400 ℃ at the speed of 150 ℃/h, preserving heat for 3 hours, then heating to 600-.
The temperature of the cooling water in the water cooling process is 4-38 ℃.
The SPCC hot rolled steel coil comprises the following chemical components in percentage by mass: 0.03 to 0.07 percent of C, 0.15 to 0.30 percent of Mn0.03 percent, less than or equal to 0.03 percent of Si, less than or equal to 0.02 percent of P, less than or equal to 0.01 percent of S, and the balance of Fe and inevitable impurities.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
1) according to the invention, through a production mode combining two times of cold rolling and two times of cover annealing, the production difficulty is reduced, the roller consumption of a rolling mill, a leveling machine and the like is reduced, the production efficiency is improved, the problem of steel sticking in the annealing production process is solved, and the yield and the comprehensive first-grade product rate are improved.
2) According to the invention, through a production mode combining two times of cold rolling and two times of cover annealing, on the premise of ensuring the product strength, the stamping performance of the SPCC tin-plated product is improved, the probability of producing wrinkles, cracks and skirt edge defect inferior products when downstream customers produce products with stamping requirements is greatly reduced, and the product grade is improved.
Detailed Description
The present invention will be described in further detail with reference to specific examples;
the following examples adopt a hot rolled steel coil made of a common SPHC material as a raw material;
example 1: the SPCC hot rolled steel coil comprises the following chemical components in percentage by mass: 0.03% of C, 0.30% of Mn, 0.03% of Si, 0.02% of P, 0.01% of S, and the balance of Fe and inevitable impurities.
The production method of the tinned substrate for SPCC deep drawing adopts the following specific process steps.
A common SPHC material 2.75mm hot-rolled steel coil is adopted; carrying out primary cold rolling treatment on the hot rolled steel coil by an HC reversible cold rolling mill, and carrying out cold rolling to obtain a steel plate with the thickness of 0.75 mm; then placing the mixture into an all-hydrogen cover type annealing furnace, heating the mixture to 640 ℃ at the speed of 100 ℃/h, preserving heat for 16 hours, cooling the mixture to 500 ℃ along with the furnace after the heat preservation is finished, replacing a heating cover with a cold air cover, cooling the mixture to 350 ℃ along with the furnace, cooling the mixture to 250 ℃ along with the furnace, starting water cooling until the mixture is cooled to 80 ℃, and discharging the mixture from the furnace; and returning to the HC reversible cold rolling mill for secondary rolling treatment, and finally rolling into a thin steel coil with the thickness of 0.27 mm. And (3) putting the thin steel coil into the full-hydrogen cover type annealing furnace again for annealing treatment: heating to 400 ℃ at the speed of 150 ℃/h, preserving heat for 3 hours, then heating to 640 ℃ at the speed of 50 ℃/h, preserving heat for 14 hours, cooling to 500 ℃ along with the furnace after heat preservation, replacing a heating cover with a cold air cover, air-cooling to 350 ℃, cooling to 250 ℃ along with the furnace, starting water cooling until the temperature is cooled to 70 ℃, and discharging from the furnace. And leveling and tinning the thin steel plate subjected to secondary annealing to obtain a tinned plate product with the thickness of 0.27 mm. The temperature of the cooling water in the water cooling process is 4-38 ℃.
Table 1: the performance of the embodiment is compared with that of other punched products
The tinned plate for deep drawing obtained in the embodiment is used for producing a certain common special-shaped product in the market, the drawing depth is required to be 29.50mm, and the qualified product rate can reach 99.2%; if the special-shaped product is produced by adopting the SPCC tin plate with the same thickness produced by the conventional one-time cover annealing, the stamping depth is required to be 29.50mm, and the cracking condition caused by low stamping performance in the production process is serious and basically cannot be used.
Example 2: the SPCC hot rolled steel coil comprises the following chemical components in percentage by mass: 0.07% of C, 0.15% of Mn, 0.01% of Si, 0.01% of P, 0.009% of S, and the balance of Fe and inevitable impurities.
The production method of the tinned substrate for SPCC deep drawing adopts the following specific process steps.
A common SPHC material 2.5 mm hot rolled steel coil is adopted; carrying out primary cold rolling treatment on the hot rolled steel coil by an HC reversible cold rolling mill, and rolling the hot rolled steel coil into a steel plate with the thickness of 0.70mm by three times; then placing the mixture into an all-hydrogen hood-type annealing furnace, heating the mixture to 650 ℃ at the speed of 100 ℃/h, preserving the heat for 15 hours, cooling the mixture to 500 ℃ along with the furnace after the heat preservation is finished, replacing a heating hood with a cold air hood, cooling the mixture to 350 ℃ along with the furnace, cooling the mixture to 250 ℃ along with the furnace, starting water cooling until the mixture is cooled to 80 ℃, and discharging the mixture from the furnace; and returning to the HC reversible cold rolling mill for secondary rolling treatment, and finally rolling into a thin steel coil with the thickness of 0.23mm through three times of rolling. And (3) putting the thin steel coil into the full-hydrogen cover type annealing furnace again for annealing treatment: heating to 400 ℃ at the speed of 150 ℃/h, preserving heat for 3 hours, then heating to 630 ℃ at the speed of 50 ℃/h, preserving heat for 12 hours, cooling to 500 ℃ along with the furnace after heat preservation, replacing a heating cover with a cold air cover, air-cooling to 350 ℃, cooling to 250 ℃ along with the furnace, starting water cooling until the temperature is cooled to 70 ℃, and discharging from the furnace. And leveling and tinning the thin steel plate subjected to secondary annealing to obtain a tinned plate product with the thickness of 0.23 mm. The temperature of the cooling water in the water cooling process is 4-38 ℃.
Table 2: this example compares the performance of the stamping product obtained by other production methods
Example 3: the SPCC hot rolled steel coil comprises the following chemical components in percentage by mass: 0.05% of C, 0.22% of Mn, 0.02% of Si, 0.011% of P, 0.007% of S, and the balance of Fe and inevitable impurities.
The production method of the tinned substrate for SPCC deep drawing adopts the following specific process steps.
A common SPHC material 2.35mm hot rolled steel coil is adopted; carrying out primary cold rolling treatment on the hot rolled steel coil by an HC reversible cold rolling mill, and rolling the hot rolled steel coil into a steel plate with the thickness of 0.65mm by three times; then placing the mixture into an all-hydrogen hood-type annealing furnace, heating the mixture to 660 ℃ at the speed of 100 ℃/h, preserving heat for 14 hours, cooling the mixture to 500 ℃ along with the furnace after the heat preservation is finished, replacing a heating hood with a cold air hood, cooling the mixture to 350 ℃ along with the furnace, cooling the mixture to 250 ℃ along with the furnace, starting water cooling until the mixture is cooled to 80 ℃, and discharging the mixture from the furnace; and returning to the HC reversible cold rolling mill for secondary rolling treatment, and finally rolling into a thin steel coil with the thickness of 0.21mm through three times of rolling. And (3) putting the thin steel coil into the full-hydrogen cover type annealing furnace again for annealing treatment: heating to 400 ℃ at the speed of 150 ℃/h, preserving heat for 3 hours, then heating to 600 ℃ at the speed of 50 ℃/h, preserving heat for 15 hours, cooling to 500 ℃ along with the furnace after heat preservation, replacing a heating cover with a cold air cover, air-cooling to 350 ℃, cooling to 250 ℃ along with the furnace, starting water cooling until the temperature is cooled to 70 ℃, and discharging from the furnace. And leveling and tinning the thin steel plate subjected to secondary annealing to obtain a tinned plate product with the thickness of 0.21 mm. The temperature of the cooling water in the water cooling process is 4-38 ℃.
Table 3: this example compares the performance of the stamping product obtained by other production methods
Example 4: the SPCC hot rolled steel coil comprises the following chemical components in percentage by mass: 0.04% of C, 0.18% of Mn, 0.008% of Si, 0.013% of P, 0.004% of S, and the balance of Fe and inevitable impurities.
The production method of the tinned substrate for SPCC deep drawing adopts the following specific process steps.
A common SPHC material 2.3mm hot rolled steel coil is adopted; carrying out primary cold rolling treatment on the hot rolled steel coil by an HC reversible cold rolling mill, and rolling the hot rolled steel coil into a steel plate with the thickness of 0.60mm by three times; then placing the mixture into an all-hydrogen hood-type annealing furnace, heating the mixture to 680 ℃ at the speed of 100 ℃/h, preserving heat for 13 hours, cooling the mixture to 500 ℃ along with the furnace after the heat preservation is finished, replacing a heating hood with a cold air hood, cooling the mixture to 350 ℃ along with the furnace, cooling the mixture to 250 ℃ along with the furnace, starting water cooling until the mixture is cooled to 80 ℃, and discharging the mixture from the furnace; and returning to the HC reversible cold rolling mill for secondary rolling treatment, and finally rolling into a thin steel coil with the thickness of 0.18mm after three times of rolling. And (3) putting the thin steel coil into the full-hydrogen cover type annealing furnace again for annealing treatment: heating to 400 ℃ at the speed of 150 ℃/h, preserving heat for 3 hours, then heating to 610 ℃ at the speed of 50 ℃/h, preserving heat for 13 hours, cooling to 500 ℃ along with the furnace after heat preservation, replacing a heating cover with a cold air cover, air-cooling to 350 ℃, cooling to 250 ℃ along with the furnace, starting water cooling until the temperature is cooled to 70 ℃, and discharging from the furnace. And leveling and tinning the thin steel plate subjected to secondary annealing to obtain a tinned plate product with the thickness of 0.18 mm. The temperature of the cooling water in the water cooling process is 4-38 ℃.
Table 4: this example compares the performance of the stamping product obtained by other production methods
Claims (4)
1. A production method of a tinned substrate for SPCC deep drawing is characterized by comprising the following steps: the hot rolled steel coil made of SPCC material is used as a raw material; firstly, carrying out first cold rolling, then carrying out first cover annealing, then carrying out second cold rolling, then carrying out second cover annealing, and finally carrying out flattening to obtain the tinned substrate for deep drawing;
the first cover annealing process is that the rolled steel coil is heated to 640-680 ℃ at the speed of 100 ℃/h, the temperature is kept for 13-16 hours, the steel coil is cooled to 500 ℃ along with the furnace after the temperature is kept, the heating cover is replaced by a cooling cover, the steel coil is cooled to 350 ℃ along with the furnace, the steel coil is cooled to 250 ℃ along with the furnace, the steel coil is cooled until the steel coil is cooled to 80 ℃, and the steel coil is taken out of the furnace;
the second cover type annealing process comprises the following steps: heating the rolled steel coil to 400 ℃ at the speed of 150 ℃/h, preserving heat for 3 hours, then heating to 600-;
the temperature of the cooling water in the water cooling process is 4-38 ℃.
2. The method for producing a tinned substrate for SPCC deep drawing according to claim 1, which is characterized in that: the first cold rolling process comprises the following steps: the thickness of the hot-rolled steel coil is 2.3-2.75mm, and the thickness of the hot-rolled steel coil is rolled to be 0.6-0.75 mm by cold rolling.
3. The method for producing a tinned substrate for SPCC deep drawing according to claim 1, which is characterized in that: the second cold rolling process comprises the following steps: and rolling the annealed steel plate to the thickness of 0.18-0.27 mm.
4. The method for producing a tinned substrate for SPCC deep drawing according to any one of claims 1 to 3, which comprises the steps of: the SPCC hot rolled steel coil comprises the following chemical components in percentage by mass: 0.03 to 0.07 percent of C, 0.15 to 0.30 percent of Mn0.03 percent, less than or equal to 0.03 percent of Si, less than or equal to 0.02 percent of P, less than or equal to 0.01 percent of S, and the balance of Fe and inevitable impurities.
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| CN201911397363.2A CN111074052B (en) | 2019-12-30 | 2019-12-30 | Production method of tinned substrate for SPCC deep drawing |
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| CN111074052B true CN111074052B (en) | 2021-10-15 |
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| CN115369213B (en) * | 2022-09-13 | 2023-08-08 | 包头钢铁（集团）有限责任公司 | Production method for improving ductility and plasticity of common carbon steel for household appliances |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794301A (en) * | 2012-08-03 | 2012-11-28 | 莱芜市泰山冷轧板有限公司 | Manufacture method of cold-rolled electrolytic tin substrate |
| CN103700641A (en) * | 2013-11-29 | 2014-04-02 | 武汉钢铁(集团)公司 | Steel strip for lead frame and production method thereof |
| CN103789625A (en) * | 2014-01-23 | 2014-05-14 | 河北钢铁股份有限公司唐山分公司 | Method for producing micro-alloyed cold-rolled low-alloy high-strength steel by virtue of cover annealing line |
| CN104988292A (en) * | 2015-07-08 | 2015-10-21 | 河北钢铁集团衡水板业有限公司 | Production method of DR material substrate for deep drawing |
| CN105798061A (en) * | 2016-03-23 | 2016-07-27 | 天津炬坤金属科技有限公司 | Cold rolling method of ultrathin precise medium-width tinplate substrate of 0.05-0.1 mm with mirror surface light |
| CN106755871A (en) * | 2016-12-14 | 2017-05-31 | 安徽楚江特钢有限公司 | A kind of cold-rolled strip manufacture method for deep-draw application high |
| CN108588559A (en) * | 2018-05-17 | 2018-09-28 | 柳州钢铁股份有限公司 | The cold rolling glassed steel of yield strength 230MPa or more |
-
2019
- 2019-12-30 CN CN201911397363.2A patent/CN111074052B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794301A (en) * | 2012-08-03 | 2012-11-28 | 莱芜市泰山冷轧板有限公司 | Manufacture method of cold-rolled electrolytic tin substrate |
| CN103700641A (en) * | 2013-11-29 | 2014-04-02 | 武汉钢铁(集团)公司 | Steel strip for lead frame and production method thereof |
| CN103789625A (en) * | 2014-01-23 | 2014-05-14 | 河北钢铁股份有限公司唐山分公司 | Method for producing micro-alloyed cold-rolled low-alloy high-strength steel by virtue of cover annealing line |
| CN104988292A (en) * | 2015-07-08 | 2015-10-21 | 河北钢铁集团衡水板业有限公司 | Production method of DR material substrate for deep drawing |
| CN105798061A (en) * | 2016-03-23 | 2016-07-27 | 天津炬坤金属科技有限公司 | Cold rolling method of ultrathin precise medium-width tinplate substrate of 0.05-0.1 mm with mirror surface light |
| CN106755871A (en) * | 2016-12-14 | 2017-05-31 | 安徽楚江特钢有限公司 | A kind of cold-rolled strip manufacture method for deep-draw application high |
| CN108588559A (en) * | 2018-05-17 | 2018-09-28 | 柳州钢铁股份有限公司 | The cold rolling glassed steel of yield strength 230MPa or more |
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Address after: 053400 New District of Wuyi County, Hengshui City, Hebei Province (southwest of huanlongzhuang Village) Patentee after: Hengshui Board Packaging Materials Technology Co.,Ltd. Address before: 053400 southwest of New District (huanlongzhuang Village), Wuyi County, Hengshui City, Hebei Province Patentee before: HBIS GROUP HENGSHUI PLATE INDUSTRY CO.,LTD. |