CN111923491A - Pressing line softening process for carton printing - Google Patents
Pressing line softening process for carton printing Download PDFInfo
- Publication number
- CN111923491A CN111923491A CN202010595372.9A CN202010595372A CN111923491A CN 111923491 A CN111923491 A CN 111923491A CN 202010595372 A CN202010595372 A CN 202010595372A CN 111923491 A CN111923491 A CN 111923491A
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- China
- Prior art keywords
- softening
- groups
- line
- carton printing
- board
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/25—Surface scoring
- B31B50/252—Surface scoring using presses or dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/742—Coating; Impregnating; Waterproofing; Decoating
- B31B50/753—Coating; Impregnating; Waterproofing; Decoating by spraying
Abstract
The invention provides a line pressing softening process for carton printing, which is used for softening a paperboard to be treated by line pressing softening equipment for carton printing and comprises the following steps: 1. placing the paper boards for manufacturing the paper boxes; 2. the pressing wheel is in contact with a paperboard placed below, and the paperboard is conveyed along the line pressing track; 3. while transmitting, the spray head shunts and sprays the softening agent to wet and soften the paper board; 4. setting the working temperature through an operation panel; 5. and air-drying, namely air-drying the paperboard softened by the softener, wherein the water content is controlled to be 7-10%.
Description
Technical Field
The invention relates to the technical field of printing line ball softening, in particular to a line ball softening process for carton printing.
Background
As a common packaging material, the carton needs to be subjected to line pressing softening treatment to obtain folding traces so as to facilitate subsequent assembly forming operation in the production process, and line pressing softening equipment is often used for processing treatment. Traditional line ball softening installation does not provide the rotation direction of line ball part when using, can not ensure the line ball operation and go on fixed orbit and influenced the accuracy of line ball processing, and simultaneously, the softening quality of cardboard is not good, has influenced the use of line ball softening installation.
In summary, in order to overcome the defects of the existing carton printing softening technology, the invention designs the line pressing softening technology for carton printing, which is simple in structure and convenient for line pressing processing.
Disclosure of Invention
The invention provides a line pressing softening process for carton printing, which is simple in structure and convenient for line pressing processing and aims to solve the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a line pressing softening process for carton printing is used for softening a paperboard to be treated through line pressing softening equipment for carton printing, and comprises the following steps:
1) placing the paper boards for manufacturing the paper boxes;
2) the pressing wheel is in contact with a paperboard placed below, and the paperboard is conveyed along the line pressing track;
3) while transmitting, the spray head shunts and sprays the softening agent to wet and soften the paper board;
4) setting the working temperature through an operation panel;
5) air-drying, air-drying the paper board softened by the softener to control the water content to be 7-10%
As a further improvement of this scheme, the line ball softening equipment for printing includes:
the table comprises a table body, wherein stand columns are vertically and fixedly arranged at the peripheral positions of the lower surface of the table body, and support plates are welded at the edge positions of two sides of the upper surface of the table body;
the device comprises support plates, a load bearing plate is fixedly arranged between the upper surface positions of two groups of support plates, shaft sleeves are welded between the middle positions of the outer walls of two sides of each support plate, a motor is fixedly arranged at the position of the outer wall of one side of one group of support plates, the middle position of one side wall of the motor is vertically and movably connected with a rotating shaft, and four groups of pinch rollers are vertically and fixedly sleeved on the outer surface of the rotating shaft;
the lower fixed surface of the load board is provided with a shunting block corresponding to the rotating shaft, the middle position of the top of the shunting block is vertically and fixedly provided with a guide pipe, four groups of fixing grooves are formed between the upper surface and the lower surface of the table body, the table body is welded with a foundation column through the fixing grooves, and a wheel groove is formed between the front position and the rear position of the top of the foundation column.
As a further improvement of the scheme, the load carrying plate and the support plate are vertically arranged, and the load carrying plate is arranged above the table body in parallel.
As a further improvement of the scheme, the rotating shaft is vertically movably connected between the two groups of support plates in a penetrating mode through the shaft sleeve, the four groups of pressing wheels are horizontally distributed, and the distance between every two adjacent groups of pressing wheels is consistent.
As a further improvement of the scheme, the guide pipe is vertically fixed and penetratingly connected with the load bearing plate, the shunting block is transversely installed, and a plurality of groups of spray heads are horizontally and fixedly installed at the bottom of the shunting block.
As a further improvement of the scheme, the foundation columns are longitudinally installed, the upper surfaces of the foundation columns and the upper surface of the table body are arranged on the same plane, the four groups of foundation columns respectively correspond to the four groups of press wheels, and wheel grooves are matched with the press wheels.
As a further improvement of the scheme, four groups perpendicular fixed mounting has the same group of base plate between the mutual lateral wall bottom position that is close to of stand, and the last fixed surface of base plate installs the rack, the front fixed surface of rack installs operating panel, and the top fixed mounting of rack has the line concentration board, the equal fixed mounting in bottom intermediate position of the top of line concentration board and the pillar has the terminal, is located the line concentration board the quantity of terminal is four groups, and on the line concentration board and between the pillar through terminal fixedly connected with electric wire, the heating bath has been seted up to the inside of pillar, and the inside fixed mounting in heating bath has the resistance wire.
As a further improvement of the scheme, the inside fixed mounting of foundation pillar has the heat insulating block, and the heat insulating block is the rock wool material, the resistance wire cladding is adjacent the surface position in race, and the resistance wire is filled between heat insulating block and race, the inside fixed mounting of rack has the power, and operating panel's input and the output electric connection of power, the input of resistance wire passes through electric wire and operating panel's output electric connection.
Compared with the prior art, the invention has the beneficial effects that: the base columns positioned and installed by the fixing grooves are arranged to provide conveying support for the paper boards, and the wheel grooves are matched to provide rotating guide for the line pressing components, so that line pressing operation is performed on a fixed track, the line pressing processing accuracy is improved, a heating cabinet structure is formed by a cabinet and an operating panel which are installed on the substrate, the operation of the heating structure is started through the operating panel, and the working temperature is set; the resistance wire installed in the heating groove is powered through the wiring terminal installed by the wiring board and the wire connection, the resistance wire is coated outside the wire pressing groove and is electrified to be heated and matched with the softening agent, steam softening is achieved to improve softening quality of the paperboard, and the heat insulation block is coated outside the heating area to serve as a heat insulation layer to prevent heat from being dissipated outwards so as to improve heating rate; the line ball softening equipment provides the rotation direction of line ball part for the line ball operation is gone on in order to improve the accuracy of line ball processing on fixed orbit, simultaneously, is equipped with the softening quality of steam softening structure in order to improve the cardboard.
Drawings
FIG. 1 is a flow chart of the line pressing softening process for printing the carton of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the line pressing softening device for carton printing according to the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the line pressing softening apparatus for carton printing according to the present invention;
fig. 4 is a cross-sectional view a of fig. 2 according to the present invention.
In the figure, 1-platform body, 2-upright post, 3-support plate, 4-load plate, 5-shaft sleeve, 6-motor, 7-rotating shaft, 8-pressure wheel, 9-shunting block, 10-guide pipe, 11-spray head, 12-fixing groove, 13-base column, 14-wheel groove, 15-base plate, 16-machine cabinet, 17-operation panel, 18-line collecting plate, 19-binding post, 20-electric wire, 21-heating groove, 22-resistance wire and 23-heat insulation block.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.
As shown in figures 1 to 4 of the drawings,
example 1
The line pressing softening process for carton printing comprises the following steps:
1) placing the paper boards for manufacturing the paper boxes;
2) the pinch roller 8 is in contact with a paperboard placed below, and the paperboard is conveyed along a line pressing track;
3) while conveying, the spray head 11 shunts and sprays the softening agent to carry out wetting and softening treatment on the paper board;
4) setting the working temperature through an operation panel;
5) and (5) air-drying, namely air-drying the paperboard softened by the softener, wherein the water content is controlled to be 7-10%.
The softener comprises the following components in parts by weight: 30-40 parts of water, 6-10 parts of sodium alkylsulfonate, 10-15 parts of sodium alginate, 10-15 parts of acrylic acid, 2-5 parts of oxalic acid, 10-25 parts of waterborne polyurethane, 5-20 parts of sodium polyacrylate, 5-20 parts of hexanediol and 2-5 parts of sodium stearate; 10-30 parts of sodium hydroxide; 10-30 parts of urea.
Referring to fig. 2, a line ball softening apparatus for carton printing comprises a table body 1, wherein upright posts 2 are vertically and fixedly installed at the peripheral positions of the lower surface of the table body 1, support plates 3 are welded at the edge positions of two sides of the upper surface of the table body 1, a load-carrying plate 4 is fixedly installed between the upper surface positions of two groups of support plates 3, a shaft sleeve 5 is welded between the middle positions of the outer walls of two sides of each support plate 3, a motor 6 is fixedly installed at the outer wall position of one side of one group of support plates 3, a rotating shaft 7 is vertically and movably connected at the middle position of one side wall of the motor 6, four groups of pressing wheels 8 are vertically and fixedly sleeved on the outer surface of the rotating shaft 7, a shunting block 9 corresponding to the rotating shaft 7 is fixedly installed at the lower surface of the load-carrying plate 4, a guide pipe 10 is vertically and fixedly installed at the middle position of the top of the shunting block 9, a wheel groove 14 is arranged between the front and the rear positions of the top of the base column 13.
Comparative example 1 is a softening agent added in the prior art, and the equipment adopts the line pressing softening equipment for carton printing;
comparative example 2 is the addition of a softener of the prior art, and the equipment adopts a line pressing softening equipment of the prior art;
in this embodiment, the specific formulation of the softening agent is: 36 parts of water, 8 parts of sodium alkylsulfonate, 13 parts of sodium alginate, 12 parts of acrylic acid, 3 parts of oxalic acid, 12 parts of waterborne polyurethane, 18 parts of sodium polyacrylate, 8 parts of hexanediol and 4 parts of sodium stearate; 20 parts of sodium hydroxide; 16 parts of urea.
In the comparative example 1, the softening effect of the paperboard is poor, the characters and lines of the printed paperboard are not clear, and the line pressing and printing positions are accurately controlled;
in comparative example 2, the softening effect of the paperboard is poor, the characters and lines of the printed paperboard are not clear, and the control of line pressing and printing positions is not accurate;
in this embodiment, the moisturizing performance of softener is good, and the moisture evaporation rate in the softener is slow, and the change cardboard humidity that can not the big degree in the short time is applicable to the humidification softening and the moisturizing of cardboard, and the humidity control of cardboard is stable, and the cardboard word and the line that finally print out are clear, not fuzzy, and line ball and printing position control are accurate.
Example 2
Referring to fig. 3-4, a line pressing softening device for carton printing comprises a table body 1, wherein upright posts 2 are vertically and fixedly installed at the peripheral positions of the lower surface of the table body 1, support plates 3 are welded at the edge positions of two sides of the upper surface of the table body 1, a load bearing plate 4 is fixedly installed between the upper surface positions of two groups of support plates 3, a shaft sleeve 5 is welded between the middle positions of the outer walls of two sides of each support plate 3, a motor 6 is fixedly installed at the outer wall position of one side of one group of support plates 3, a rotating shaft 7 is vertically and movably connected at the middle position of one side wall of the motor 6, four groups of pressure rollers 8 are vertically and fixedly sleeved on the outer surface of the rotating shaft 7, a shunting block 9 corresponding to the rotating shaft 7 is fixedly installed on the lower surface of the load bearing plate 4, a guide pipe 10 is vertically and fixedly installed at the middle position of the top of the shunting block 9, four, a wheel groove 14 is arranged between the front and the rear positions of the top of the base column 13.
The loading plate 4 and the support plates 3 are vertically arranged, the loading plate 4 is parallelly arranged above the table body 1, the rotating shaft 7 is vertically movably connected between the two groups of support plates 3 in a penetrating way through a shaft sleeve 5, the four groups of press wheels 8 are horizontally distributed, the distance between the two adjacent groups of press wheels 8 is consistent, the guide pipe 10 is vertically fixedly connected with the loading plate 4 in a penetrating way, the flow distribution block 9 is transversely arranged, the bottom of the flow distribution block 9 is horizontally and fixedly provided with a plurality of groups of spray heads 11, the base columns 13 are longitudinally arranged, the upper surfaces of the base columns 13 and the upper surface of the table body 1 are arranged on the same plane, the four groups of base columns 13 respectively correspond to the four groups of press wheels 8, the wheel grooves 14 are matched with the press wheels 8, the same group of base plates 15 are vertically and fixedly arranged between the bottom parts of one side wall of the four groups of the base columns 2 which are mutually close to each other, and the top of the cabinet 16 is fixedly provided with a line concentration board 18, the top of the line concentration board 18 and the middle position of the bottom of the base column 13 are fixedly provided with binding posts 19, the number of the binding posts 19 positioned on the line concentration board 18 is four, an electric wire 20 is fixedly connected between the line concentration board 18 and the base column 13 through the binding posts 19, the base column 13 is internally provided with a heating groove 21, the inside of the heating groove 21 is fixedly provided with a resistance wire 22, the inside of the base column 13 is fixedly provided with a heat insulation block 23, the binding posts 19 arranged on the line concentration board 18 and the electric wire 20 are connected to supply power to the resistance wire 22 arranged in the heating groove 21, the resistance wire 22 is coated outside the line pressing groove and is electrified to heat up and matched with a softening agent, so that steam softening is realized to improve the softening quality of the paperboard, the heat insulation block 23 is coated outside the heating area to be used, the resistance wire 22 cladding is in the surface position of adjacent race 14, and the resistance wire 22 is filled between thermoblock 23 and race 14, and the inside fixed mounting of rack 16 has the power, and operating panel 17's input and the output electric connection of power, and the input of resistance wire 22 passes through electric wire 20 and operating panel 17's output electric connection.
The working principle is as follows: the table body 1 and the upright post 2 are combined into a frame body of softening equipment to provide softening treatment support for the press line of carton printing, a load board 4 installed by a support plate 3 is used as a load frame to provide installation support for a softener input mechanism, a motor 6 is electrified to drive a rotating shaft 7 installed by guiding of a shaft sleeve 5 to rotate, so as to control the rotation of a press wheel 8, at the moment, the press wheel 8 is contacted with a paperboard placed below the press wheel 8 and transmits the paperboard along a press line track under the selective action, meanwhile, a liquid guide structure formed by a shunting block 9 and a guide pipe 10 and positioned above the press line area provides a conveying channel for the softener, finally, the liquid guide structure downwards shunts and sprays out along a spray head 11 to carry out wetting and softening treatment on the paperboard, a base column 13 positioned and installed by a fixing groove 12 provides conveying support for the paperboard and is matched with a wheel groove 14 to provide rotary guiding for a press line part, so that the, the cabinet 16 and the operation panel 17 installed by the substrate 15 form a heating cabinet structure, the operation of the heating structure is started through the operation panel 17, and the working temperature is set, at the moment, the wiring terminal 19 installed by the line concentration plate 18 and the electric wire 20 are connected to supply power to the resistance wire 22 installed in the heating groove 21, the resistance wire 22 is coated outside the line pressing groove and is electrified to heat up and matched with a softening agent, steam softening is realized to improve the softening quality of the paperboard, the heat insulation block 23 is coated outside the heating area to serve as a heat insulation layer to prevent heat from dissipating outwards so as to improve the heating rate, in the invention, the line pressing softening equipment provides rotary guide of line pressing parts, so that line pressing operation is carried out on a fixed track to improve the accuracy of line pressing, and meanwhile, the steam softening structure is.
The line pressing softening process for carton printing provided by the invention has the advantages that the line pressing operation is carried out on the fixed tracks by providing the rotary guide of the line pressing part so as to improve the accuracy of line pressing processing, meanwhile, the steam softening structure is arranged so as to improve the softening quality of the paperboard, and the use is convenient.
What has been described herein is merely a preferred embodiment of the invention, and the scope of the invention is not limited thereto. Modifications, additions, or substitutions by those skilled in the art to the specific embodiments described herein are intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a carton is line ball softening process for printing, carries out softening treatment through line ball softening equipment for carton printing to the cardboard that treats, its characterized in that includes following step:
1) placing the paper boards for manufacturing the paper boxes;
2) the pinch roller (8) is in contact with a paperboard placed below, and the paperboard is conveyed along a line pressing track;
3) while conveying, the spray head (11) shunts and sprays the softening agent to carry out wetting and softening treatment on the paper board;
4) setting the working temperature through an operation panel;
5) and (5) air-drying, namely air-drying the paperboard softened by the softener, wherein the water content is controlled to be 7-10%.
2. The press line softening process for carton printing according to claim 1, wherein the press line softening apparatus for printing comprises:
the table comprises a table body, wherein stand columns (2) are vertically and fixedly arranged on the periphery of the lower surface of the table body (1), and supporting plates (3) are welded on the edges of two sides of the upper surface of the table body (1);
the device comprises support plates (3), a load plate (4) is fixedly arranged between the upper surface positions of two groups of support plates (2), shaft sleeves (5) are welded between the middle positions of the outer walls of two sides of each support plate (3), a motor (6) is fixedly arranged at the outer wall position of one side of one group of support plates (3), a rotating shaft (7) is vertically and movably connected to the middle position of one side wall of the motor (6), and four groups of pressing wheels (8) are vertically and fixedly sleeved on the outer surface of the rotating shaft (7);
the lower fixed surface of this load board has the branch stream block (9) corresponding with pivot (7) for load board (4), and the perpendicular fixed mounting in top intermediate position of branch stream block (9) has pipe (10), four groups of fixed slots (12) have been seted up between the upper and lower surface position of stage body (1), and stage body (1) has foundation column (13) through fixed slot (12) welding, race (14) have been seted up between the top front and back position of foundation column (13).
3. The line ball softening apparatus for carton printing according to claim 2, wherein the load board (4) and the support board (3) are vertically arranged, and the load board (4) is arranged above the table body (1) in parallel.
4. The line pressing softening device for carton printing according to claim 2, wherein the rotating shaft (7) is vertically movably connected between two groups of support plates (3) in a penetrating manner through a shaft sleeve (5), four groups of press wheels (8) are horizontally distributed, and the distance between two adjacent groups of press wheels (8) is consistent.
5. The line ball softening equipment for carton printing according to claim 2, wherein the guide pipe (10) is vertically and fixedly connected with the load bearing plate (4) in a penetrating way, the shunting block (9) is transversely arranged, and a plurality of groups of spray heads (11) are horizontally and fixedly arranged at the bottom of the shunting block (9).
6. The line pressing softening device for carton printing according to claim 2, wherein the base columns (13) are longitudinally arranged, the upper surfaces of the base columns (13) and the table body (1) are arranged on the same plane, four groups of the base columns (13) respectively correspond to four groups of the pressing wheels (8), and the wheel grooves (14) are matched with the pressing wheels (8).
7. The line ball softening equipment for carton printing according to claim 2, characterized in that the same group of base plates (15) are vertically and fixedly arranged between the bottom positions of the side walls of the four groups of upright posts (2) which are close to each other, a cabinet (16) is fixedly arranged on the upper surface of the base plate (15), an operation panel (17) is fixedly arranged on the front surface of the cabinet (16), and the top of the cabinet (16) is fixedly provided with a line concentration board (18), the middle positions of the top of the line concentration board (18) and the bottom of the base column (13) are both fixedly provided with binding posts (19), the number of the binding posts (19) positioned on the line concentration board (18) is four groups, and an electric wire (20) is fixedly connected between the line concentration plate (18) and the base column (13) through a binding post (19), a heating groove (21) is formed in the base column (13), and a resistance wire (22) is fixedly mounted in the heating groove (21).
8. The press line softening device for carton printing according to claim 7, wherein a heat insulation block (23) is fixedly installed inside the base column (13), the heat insulation block (23) is made of rock wool, the resistance wire (22) is wrapped at the position adjacent to the outer surface of the wheel groove (14), the resistance wire (22) is filled between the heat insulation block (23) and the wheel groove (14), a power supply is fixedly installed inside the cabinet (16), the input end of the operation panel (17) is electrically connected with the output end of the power supply, and the input end of the resistance wire (22) is electrically connected with the output end of the operation panel (17) through a wire (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595372.9A CN111923491B (en) | 2020-06-28 | 2020-06-28 | Pressing line softening process for carton printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595372.9A CN111923491B (en) | 2020-06-28 | 2020-06-28 | Pressing line softening process for carton printing |
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| CN111923491A true CN111923491A (en) | 2020-11-13 |
| CN111923491B CN111923491B (en) | 2022-06-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216377A (en) * | 2015-10-30 | 2016-01-06 | 程龙楷 | The softening method of the shaping explosion-proof paper softening plant of line ball and cardboard line ball folding line position |
| WO2017121503A1 (en) * | 2016-01-14 | 2017-07-20 | Wilhelm Bahmüller Maschinenbau Präzisionswerkzeuge GmbH | Method and device for folding corrugated cardboard |
| CN107775994A (en) * | 2016-08-25 | 2018-03-09 | 天津王朝包装印刷制品有限公司 | A kind of carton impression device and its operating method |
| CN207416105U (en) * | 2017-10-19 | 2018-05-29 | 邯郸市昀沣包装材料有限公司 | A kind of corrugated board creasing device |
| CN108978336A (en) * | 2018-08-08 | 2018-12-11 | 东莞市白天鹅纸业有限公司 | A kind of paper grade (stock) softening agent and preparation method thereof |
| KR102073648B1 (en) * | 2019-10-14 | 2020-02-05 | 심백만 | Printing machine for packing box |
-
2020
- 2020-06-28 CN CN202010595372.9A patent/CN111923491B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216377A (en) * | 2015-10-30 | 2016-01-06 | 程龙楷 | The softening method of the shaping explosion-proof paper softening plant of line ball and cardboard line ball folding line position |
| WO2017121503A1 (en) * | 2016-01-14 | 2017-07-20 | Wilhelm Bahmüller Maschinenbau Präzisionswerkzeuge GmbH | Method and device for folding corrugated cardboard |
| CN107775994A (en) * | 2016-08-25 | 2018-03-09 | 天津王朝包装印刷制品有限公司 | A kind of carton impression device and its operating method |
| CN207416105U (en) * | 2017-10-19 | 2018-05-29 | 邯郸市昀沣包装材料有限公司 | A kind of corrugated board creasing device |
| CN108978336A (en) * | 2018-08-08 | 2018-12-11 | 东莞市白天鹅纸业有限公司 | A kind of paper grade (stock) softening agent and preparation method thereof |
| KR102073648B1 (en) * | 2019-10-14 | 2020-02-05 | 심백만 | Printing machine for packing box |
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| CN111923491B (en) | 2022-06-28 |
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Address after: No.18 Dongsheng Road, Xitangqiao Street (Haiyan Economic Development Zone), Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Huayi Printing Technology Co.,Ltd. Address before: No.18 Dongsheng Road, Xitangqiao Street (Haiyan Economic Development Zone), Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Huayi Printing Technology Co.,Ltd. |
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