CN111070880B - Control method for adjusting printing and slitting speeds of printing and slitting machine and paper storage device thereof - Google Patents
Control method for adjusting printing and slitting speeds of printing and slitting machine and paper storage device thereof Download PDFInfo
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- CN111070880B CN111070880B CN202010065693.8A CN202010065693A CN111070880B CN 111070880 B CN111070880 B CN 111070880B CN 202010065693 A CN202010065693 A CN 202010065693A CN 111070880 B CN111070880 B CN 111070880B
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- printing
- paper
- slitting
- storage device
- paper storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/008—Apparatus or machines for carrying out printing operations combined with other operations with means for stamping or cutting out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
Abstract
The invention discloses a control method for adjusting printing and slitting speeds of a printing and slitting machine and a paper storage device thereof.A paper roll is placed by a paper feeding part, passes through a first printing group and a second printing group, enters the paper storage device after printing is finished, then enters a slitting part for slitting, and the whole production flow is finished; the first printing group and the second printing group keep constant-speed printing, so that the qualification of printed products is guaranteed; the floating roller of the paper storage device floats continuously and is used for storing the printed paper from the printing group, and the slitting part slits the paper in the paper storage device; the paper roll enters from one end of the paper storage device, sequentially penetrates through the fixed roller and the floating roller up and down and back and forth, and finally is discharged from the other side; the invention has the advantages that: the printing and cutting speed can be balanced, unstable printing quality caused by uneven speed is avoided, and the cutting part can be normally started and stopped to work when the printing color group works at a constant speed.
Description
Technical Field
The invention relates to a printing and splitting machine, in particular to a control method for adjusting printing and splitting speeds of the printing and splitting machine, and belongs to the field of printing and splitting machines.
Background
In the printing process of the printing machine, the printing speed is kept stable to print, so that the color uniformity of a printed product can be ensured, and the actual requirement of production is met. When the splitting machine splits printed matters and collects the printed matters into products with small roll diameters, a series of processes of accelerating winding, high-speed winding, decelerating winding and stopping of the machine for winding the next bar of paper roll inevitably occur during winding. Therefore, when two printing and slitting processes are connected, conflicting contradictions occur, and the printing and slitting speeds cannot be coordinated.
Disclosure of Invention
In order to solve the problems, the invention designs a control method for adjusting the printing and slitting speeds of the printing and slitting machine, which can balance the printing and slitting speeds, avoid unstable printing quality caused by uneven speed, and ensure that the slitting part is normally started and stopped to work when the printing color set works at a constant speed.
The technical scheme of the invention is as follows: a control method for adjusting the printing and slitting speeds of a printing and slitting machine comprises a paper feeding part, a first printing group, a second printing group and a slitting part which are sequentially arranged, wherein a paper storage device is also arranged between the second printing group and the slitting part;
the specific method comprises the following steps:
the paper feeding part puts paper on the paper roll, the paper roll passes through the first printing group and the second printing group, enters the paper storage device after printing is finished, then enters the slitting part for slitting, and the whole production flow is finished; the first printing group and the second printing group are kept at constant speed for printing, so that the qualification of printed products is guaranteed; the floating roller of the paper storage device continuously floats for storing the printed paper from the printing group, and the slitting part slits the paper in the paper storage device, so that the upper paper part, the first printing group, the second printing group and the slitting part of the printing part can be transported and operated, the slitting part can be guaranteed to normally work, and the influence cannot be generated between the slitting part and the slitting part.
The scroll gets into by the one end of storing up the paper device, make a round trip to run through from top to bottom in proper order between fixed roll and floating roll, go out the paper by the opposite side at last, through the fluctuation of floating roll, adjust the length of scroll in storing up the paper device, the come-up of floating roll, the distance reduces between fixed roll and the floating roll, scroll length reduces, the decline of floating roll, the distance increase between fixed roll and the floating roll, scroll length increases, thereby the inconsistent problem of paper speed of second printing group and cutting part has been solved.
A paper storage device used for the method comprises a frame, wherein a servo motor is fixedly arranged at the bottom of the frame, an output shaft of the servo motor is connected with a servo main belt wheel, the servo main belt wheel is in transmission connection with a servo auxiliary belt wheel through a synchronous belt, the servo auxiliary belt wheel is arranged on a rotating shaft, the rotating shaft is arranged on the frame, and two ends of the rotating shaft are respectively provided with a first lifting chain wheel; the two first lifting chain wheels are respectively connected with the two second lifting chain wheels in a chain transmission mode, the two first lifting chain wheels are arranged on two sides of the bottom of the rack, the two second lifting chain wheels are arranged on two sides of the top of the rack, the two chains are respectively connected with a supporting plate, the two supporting plates are fixedly arranged above the fixed shaft plate and are connected with the fixed shaft plate, a floating roller is arranged between the two fixed shaft plates, and the plurality of floating rollers form a floating roller assembly.
The layer board with be equipped with the buffer block between the fixed axostylus axostyle board, the buffer block is the rubber material, makes the buffer block play the cushioning effect to fixed axostylus axostyle board through elasticity, the compressibility of rubber, avoids fixed axostylus axostyle board to fall suddenly and causes the influence to equipment and personal safety.
The fixed shaft plate is provided with a guide hole, a guide shaft is inserted into the guide hole, and the lower end of the guide shaft is fixed on the supporting plate to guide the fixed shaft plate.
The both sides of frame are equipped with the perpendicular paper riser that stores up, connect the upper and lower both ends of frame, the upper end both sides of frame are equipped with the level respectively and store up the paper wallboard, two be equipped with the fixed roll between the paper wallboard is stored up to the level, the fixed roll is equipped with many, constitutes fixed roll subassembly, plays the effect of fixed threading route.
The vertical paper storage vertical plate is provided with a lifting linear guide rail, and the lifting linear guide rail plays a role in enabling the whole floating roller assembly to vertically lift through a linear guide rail.
The lifting linear guide rail is provided with a sliding block, the sliding block is fixed on the fixed shaft plate, the floating roller assembly is fixedly connected with the sliding block of the lifting linear guide rail, and the whole floating roller assembly and the sliding block of the linear guide rail are lifted on the guide rail of the lifting linear guide rail together.
When paper is printed, paper rolls enter from one end of the paper storage device, sequentially penetrate through the fixed roller and the floating roller up and down, and finally are discharged from the other side.
During operation, the servo main belt wheel on the shaft end of the servo motor drives the servo auxiliary belt wheel through the synchronous belt, the servo auxiliary belt wheel drives the first lifting chain wheel arranged on the rotating shaft to rotate through the rotating shaft, the first lifting chain wheel and the second lifting chain wheel drive the supporting plate to follow the fixed shaft plate to move up and down through the chain, the guide shaft, the fixed shaft plate and the supporting plate form a whole, and during normal operation, the whole formed by the supporting plate and the guide shaft on the fixed shaft plate and the floating roller assembly move up and down together.
(1) In a normal working state, the paper drives the floating roller to float up and down to form a process of storing and releasing the paper; the servo motor works in a normal working state, the servo motor transmits a signal output by the encoder to the servo driver, the servo driver drives the servo motor, a servo main belt wheel on the shaft end of the servo motor drives a servo secondary belt wheel through a synchronous belt, the servo secondary belt wheel drives a first lifting chain wheel arranged on a rotating shaft to rotate through a rotating shaft, the first lifting chain wheel and a second lifting chain wheel drive a supporting plate to follow a fixed shaft plate to move up and down through a chain, a guide shaft and the fixed shaft plate and the supporting plate form a whole, and during normal working, the whole formed by the guide shaft on the supporting plate and the fixed shaft plate and a floating roller component move up and down together.
(2) When the paper breaks suddenly, the floating roller can fall suddenly, the encoder detects that the acceleration change value is greater than the numerical value of settlement, and the servo motor can contracting brake suddenly, two first lifting sprocket respectively with two second lifting sprocket stop rotating, the chain stops the transmission, the layer board on the corresponding chain stops the whereabouts, the floating roller subassembly on the fixed axle board falls on fixing the buffer block on the layer board to the important function of protective apparatus and personal safety has been played.
The invention has the beneficial effects that: the printing and cutting speeds can be balanced, unstable printing quality caused by uneven speeds is avoided, and the cutting part can be normally started and stopped to work when the printing color group works at a constant speed;
the machine can coordinate the constant speed running of the two printing groups and the mechanical action of the cutting part (because the cutting part needs to be rolled continuously, a product needs to be withdrawn from a tube core shaft and then is rolled next) which causes contradiction between the machine halt and the machine start frequently; the qualification of the printed product is ensured, and the normal slitting of the product by the slitting part can be ensured.
In addition, the floating roller component is driven to lift by the tension of paper, when the paper is suddenly broken, the floating roller component is not supported by external force and can only fall off in a free falling mode, the floating roller component (70 kg weight component) falls off suddenly to form great sound, the whole structure is damaged irreversibly, and unpredictable personal safety problems can be caused. The mode of dragging the bottom plate of the floating roller assembly through the motor in a follow-up mode forms a good protection effect, the performance and the service life of the machine are guaranteed, and the important protection effect is also played to operators.
The invention is further illustrated by the following figures and examples.
Drawings
FIG. 1 is a schematic structural diagram of a printing and slitting machine according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a paper storage device according to an embodiment of the present invention;
FIG. 3 is a paper route diagram of the paper storage device according to the embodiment of the present invention;
in the figure: 1 ' -paper feeding part, 2 ' -first printing group, 3 ' -second printing group, 4 ' -paper storage device, 5 ' -cutting part;
1-a first lifting chain wheel, 2-a supporting plate, 3-a buffer block, 4-a fixed shaft plate, 5-a floating roller, 6-a guide shaft, 7-a second lifting chain wheel, 8-a follow-up motor, 9-a follow-up main belt wheel, 10-a follow-up auxiliary belt wheel, 11-a lifting linear guide rail, 12-a fixed roller, 13-an encoder, 14-a vertical paper storage vertical plate, 15-a horizontal paper storage wall plate, 16-a rotating shaft and 17-a chain.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1, as shown in fig. 1, a control method for adjusting printing and slitting speeds of a printing and slitting machine including an upper paper portion 1 ', a first printing group 2 ', a second printing group 3 ' and a slitting portion 5 ' arranged in series, a paper storage means 4 ' is further provided between the second printing group 3 ' and the slitting portion 5 '.
The specific method comprises the following steps:
the paper feeding part 1 ' puts paper on the paper roll, the paper roll passes through the first printing group 2 ' and the second printing group 3 ', after printing is finished, enters the paper storage device 4 ', then enters the slitting part 5 ' for slitting, and the whole production flow is finished; the first printing group 2 'and the second printing group 3' keep constant-speed printing, so that the qualification of printed products is guaranteed; the floating roller of the paper storage device 4 ' continuously floats and is used for storing paper from printed paper of the printing group, and the cutting part 5 ' cuts the paper in the paper storage device 4 ', so that the printing part (the paper feeding part 1 ', the first printing group 2 ', the second printing group 3 ') and the cutting part 5 ' can be transported and operated, the cutting part can normally work, and the mutual influence cannot be generated.
The scroll gets into by the one end of storing up paper device 4 ', run through from top to bottom in proper order between fixed roll 12 and floating roll 5, go out paper by the opposite side at last, through the fluctuation of floating roll, adjust the scroll length in storing up paper device 4', the come-up of floating roll, the distance between fixed roll 12 and the floating roll 5 is dwindled, scroll length reduces, the decline of floating roll, the distance increase between fixed roll 12 and the floating roll 5, scroll length increases, thereby the inconsistent problem of paper speed of second printing group 3 'and cut part 5' has been solved.
If the cutting speed is higher than the printing speed, the printing speed can not be kept up to, the speed between the cutting speed and the printing speed can be matched through the PLC.
As shown in fig. 2, a paper storage device 4' used in the above method includes a frame, a follower motor 8 is fixed at the bottom of the frame, an output shaft of the follower motor 8 is connected with a follower primary pulley 9, the follower primary pulley 9 is in transmission connection with a follower secondary pulley 10 through a synchronous belt, the follower secondary pulley 10 is arranged on a rotating shaft 16, the rotating shaft is arranged on the frame, and both ends of the rotating shaft are provided with first lifting sprockets 1; the two first lifting chain wheels 1 are respectively connected with the two second lifting chain wheels 7 through chain transmission, the two first lifting chain wheels 1 are arranged on two sides of the bottom of the rack, the two second lifting chain wheels 7 are arranged on two sides of the top of the rack, the two chains are respectively connected with supporting plates 2, the two supporting plates 2 are fixedly arranged above the fixed shaft plates 4 (the supporting plates 2 are connected with the fixed shaft plates 4 through bolts), the two floating rollers 5 are arranged between the fixed shaft plates 4, and the floating rollers 5 are provided with a plurality of groups to form a floating roller assembly.
The layer board 2 with be equipped with buffer block 3 between the fixed axle board 4, buffer block 3 is the rubber material, makes buffer block 3 play the cushioning effect to fixed axle board 4 through elasticity, the compressibility of rubber, avoids fixed axle board 4 to fall suddenly and causes the influence to equipment and personal safety.
The fixed shaft plate 4 is provided with a guide hole, a guide shaft 6 is inserted into the guide hole, and the lower end of the guide shaft 6 is fixed on the supporting plate 2 to guide the fixed shaft plate 4.
The paper guide frame is characterized in that vertical paper storage vertical plates 14 are arranged on two sides of the frame and connected with the upper end and the lower end of the frame, horizontal paper storage wall plates 15 are arranged on two sides of the upper end of the frame respectively, a fixing roller 12 is arranged between the horizontal paper storage wall plates 15, and a plurality of fixing rollers 12 are arranged to form a fixing roller assembly to play a role in fixing a paper passing route.
The vertical paper storage vertical plate 14 is provided with a lifting linear guide rail 11, and the lifting linear guide rail 11 plays a role in enabling the whole floating roller assembly to vertically lift through four linear guide rails.
The lifting linear guide rail 11 is provided with a sliding block, the sliding block is fixed on the fixed shaft plate 4, the floating roller assembly and the sliding block of the lifting linear guide rail 11 are fixed together through bolts, and the whole floating roller assembly and the sliding block of the linear guide rail 11 lift on the guide rail of the lifting linear guide rail 11 together.
The paper path is as shown in fig. 3, the paper roll enters from one end of the paper storage device 4', sequentially passes through the fixed roller 12 and the floating roller 5 up and down and back and forth, and finally is discharged from the other side.
During operation, follow-up primary belt wheel 9 on 8 axle heads of follow-up motor drives follow-up secondary belt wheel 10 through the hold-in range, follow-up secondary belt wheel 10 drives the first lifting sprocket 1 that sets up on pivot 16 through pivot 16 and rotates, first lifting sprocket 1 and second lifting sprocket 7 drive layer board 2 through chain 17 and follow fixed axle plate 4 up-and-down motion, guide shaft 6 constitutes a whole with fixed axle plate 4 and layer board 2, during normal work, the whole and the floating roller subassembly of guide shaft 6 constitution on layer board 2 and the fixed axle plate 4 up-and-down motion together.
1. In a normal working state, the paper drives the floating roller 5 to float up and down to form a process of storing and releasing the paper; the servo motor 8 works in a normal working state, the servo motor 8 transmits a signal output by an encoder to a servo driver, the servo driver drives the servo motor 8, a servo main belt pulley 9 on the shaft end of the servo motor 8 drives a servo secondary belt pulley 10 through a synchronous belt, the servo secondary belt pulley 10 drives a first lifting chain wheel 1 arranged on a rotating shaft 16 to rotate through the rotating shaft 16, the first lifting chain wheel 1 and a second lifting chain wheel 7 drive a supporting plate 2 to follow a fixed shaft plate 4 to move up and down through a chain 17, a whole body is formed by a guide shaft 6, the fixed shaft plate 4 and the supporting plate 2, and during normal working, the whole body formed by the supporting plate 2 and the guide shaft 6 on the fixed shaft plate 4 and a floating roller assembly move up and down together. The up-and-down movement of the dancer roller 5 is carried by the paper.
2. When paper breaks suddenly, the floating roll falls suddenly, the encoder 13 (the encoder plays a role in transmitting a rotation signal, the rotation signal is transmitted to a servo driver through a wire harness, and the wire harness is connected to a servo motor) to detect that an acceleration change value is larger than a set value, the servo motor 8 can suddenly hold a brake (a PLC gives a servo motor signal after the acceleration change value is larger than the set value, and the servo motor carries a brake system to report the brake immediately), and the first lifting chain wheel 1 stops rotating with the two second lifting chain wheels 7 respectively, the chain stops transmission, the corresponding supporting plate 2 on the chain stops falling, and the floating roll component on the fixed shaft plate 4 falls on the buffer block 3 fixed on the supporting plate 2, so that the important functions of protecting equipment and personal safety are achieved.
The servo motor 8 is provided with an encoder 13, the output end of the encoder 13 is in control connection with the input end of a servo driver through a PLC, and the servo driver is in control connection with the servo motor 8.
Claims (1)
1. A control method for adjusting the printing and slitting speeds of a printing and slitting machine, said control method comprising:
the paper feeding part is used for placing paper on a paper roll, the paper roll passes through the first printing group and the second printing group, enters the paper storage device after printing is finished, and then enters the slitting part for slitting;
the first printing group and the second printing group are kept at constant speed for printing, so that the qualification of printed products is guaranteed; the floating roller of the paper storage device floats continuously and is used for storing the printed paper from the printing group, and the slitting part slits the paper in the paper storage device;
the paper roll enters from one end of the paper storage device, sequentially penetrates through the fixed roller and the floating roller up and down, and finally is discharged from the other side, the length of the paper roll in the paper storage device is adjusted through up-down floating of the floating roller, the floating roller floats upwards, the distance between the fixed roller and the floating roller is reduced, the length of the paper roll is reduced, the floating roller descends, the distance between the fixed roller and the floating roller is increased, and the length of the paper roll is increased;
the paper storage device comprises a rack, a servo motor is fixedly arranged at the bottom of the rack, an output shaft of the servo motor is connected with a servo main belt wheel, the servo main belt wheel is in transmission connection with a servo auxiliary belt wheel through a synchronous belt, the servo auxiliary belt wheel is arranged on a rotating shaft, the rotating shaft is arranged on the rack, and two ends of the rotating shaft are respectively provided with a first lifting chain wheel; the two first lifting chain wheels are respectively connected with two second lifting chain wheels through chain transmission, the two first lifting chain wheels are arranged on two sides of the bottom of the rack, the two second lifting chain wheels are arranged on two sides of the top of the rack, supporting plates are connected to the two chains, fixed shaft plates are fixedly arranged above the two supporting plates, the supporting plates are connected with the fixed shaft plates, floating rollers are arranged between the two fixed shaft plates, and a plurality of floating rollers are arranged to form a floating roller assembly;
a buffer block is arranged between the supporting plate and the fixed shaft plate;
the fixed shaft plate is provided with a guide hole, a guide shaft is inserted into the guide hole, and the lower end of the guide shaft is fixed on the supporting plate;
vertical paper storage vertical plates are arranged on two sides of the rack and connected with the upper end and the lower end of the rack, horizontal paper storage wall plates are respectively arranged on two sides of the upper end of the rack, a fixing roller is arranged between the two horizontal paper storage wall plates, and a plurality of fixing rollers are arranged to form a fixing roller assembly;
a lifting linear guide rail is arranged on the vertical paper storage vertical plate;
the lifting linear guide rail is provided with a sliding block, the sliding block is fixed on the fixed shaft plate, the floating roller component is fixedly connected with the sliding block of the lifting linear guide rail, and the whole floating roller component and the sliding block of the linear guide rail are lifted on the guide rail of the lifting linear guide rail together;
when the normal work is carried out:
the whole body formed by the supporting plate and the guide shaft on the fixed shaft plate moves up and down together with the floating roller assembly;
the up-and-down movement of the floating roller is driven by paper;
when the paper breaks suddenly:
the floating roller can fall suddenly, the encoder detects that the acceleration change value of chain is greater than the numerical value of settlement, the brake is embraced to the servo motor, two first lifting sprocket respectively with two second lifting sprocket stall, the chain stops the transmission, the layer board on the corresponding chain stops the whereabouts, floating roller subassembly on the fixed axle board falls on fixing the buffer block on the layer board to the important function of protective apparatus and personal safety has been played.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065693.8A CN111070880B (en) | 2020-01-20 | 2020-01-20 | Control method for adjusting printing and slitting speeds of printing and slitting machine and paper storage device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065693.8A CN111070880B (en) | 2020-01-20 | 2020-01-20 | Control method for adjusting printing and slitting speeds of printing and slitting machine and paper storage device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111070880A CN111070880A (en) | 2020-04-28 |
| CN111070880B true CN111070880B (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010065693.8A Active CN111070880B (en) | 2020-01-20 | 2020-01-20 | Control method for adjusting printing and slitting speeds of printing and slitting machine and paper storage device thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201395435Y (en) * | 2009-05-13 | 2010-02-03 | 詹绒霞 | Null speed abutting paper splicing device |
| CN204938487U (en) * | 2015-08-17 | 2016-01-06 | 谷永章 | Zero-speed of not shutting down for off-line circular pressing and cutting manufacturing line manually splices equipment |
| CN207736945U (en) * | 2017-12-28 | 2018-08-17 | 潍坊恒诚祥精密机械有限公司 | A kind of printing cutter |
| CN208698152U (en) * | 2018-08-27 | 2019-04-05 | 陈百东 | Printing cutter |
-
2020
- 2020-01-20 CN CN202010065693.8A patent/CN111070880B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201395435Y (en) * | 2009-05-13 | 2010-02-03 | 詹绒霞 | Null speed abutting paper splicing device |
| CN204938487U (en) * | 2015-08-17 | 2016-01-06 | 谷永章 | Zero-speed of not shutting down for off-line circular pressing and cutting manufacturing line manually splices equipment |
| CN207736945U (en) * | 2017-12-28 | 2018-08-17 | 潍坊恒诚祥精密机械有限公司 | A kind of printing cutter |
| CN208698152U (en) * | 2018-08-27 | 2019-04-05 | 陈百东 | Printing cutter |
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| CN111070880A (en) | 2020-04-28 |
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Denomination of invention: A control method for adjusting the printing and slitting speed of a printing slitter and a paper storage device thereof Effective date of registration: 20230104 Granted publication date: 20220111 Pledgee: Postal Savings Bank of China Limited by Share Ltd. Weifang branch Pledgor: WEIFANG HENGCHENGXIANG PRECISION MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2023980030230 |
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