CN215204055U - Water circulation cooling device suitable for printing machine - Google Patents
Water circulation cooling device suitable for printing machine Download PDFInfo
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- CN215204055U CN215204055U CN202121370059.1U CN202121370059U CN215204055U CN 215204055 U CN215204055 U CN 215204055U CN 202121370059 U CN202121370059 U CN 202121370059U CN 215204055 U CN215204055 U CN 215204055U
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- water
- cooling
- cooling water
- pipe
- permeable plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000001816 cooling Methods 0.000 title claims abstract description 66
- 239000000498 cooling water Substances 0.000 claims abstract description 134
- 239000000976 ink Substances 0.000 claims description 33
- 239000002826 coolant Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model belongs to the technical field of printing machine equipment, in particular to the field of a water circulation cooling device suitable for a printing machine, which comprises a cooling water tank, a first high-pressure water pump, a cooling water pipe, an ink box body, a backflow water pipe, a second high-pressure water pump, a backflow cooling box and a motor, wherein the front end of the cooling water tank is provided with a control switch, the front end of the backflow water pipe is provided with a second water inlet pipe, the tail end of the second high-pressure water pump is provided with a second water delivery pipe, the lower end of the backflow cooling box is provided with a support frame, the backflow water pipe with an S-shaped structure is used for slowing down the flow speed of cooling water in the backflow water pipe, so as to better realize the cooling of the cooling water in the backflow water pipe, after the operation of the motor is started through the control switch, the motor drives the rotation of a fan blade, so as to realize the cooling of the cooling water in the backflow water pipe, the cooling water after cooling flows into the cooling water tank through the second water delivery pipe, thereby realizing the recycling of the cooling water.
Description
Technical Field
The utility model belongs to the technical field of printing machine equipment, concretely relates to water circulative cooling device suitable for printing machine.
Background
The printer is a machine for printing characters and images, and The modern printer generally comprises mechanisms such as plate loading, inking, stamping, paper conveying (including folding) and The like, and The working principle of The printer is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position on which the characters and images are printed on the printing plate by manual or printing machine, then it is directly or indirectly transferred on the paper or other printing material (such as textile, metal plate, plastics, leather, wood plate, glass and ceramic) so as to reproduce the printed matter identical to printing plate.
The printing machine is a machine for printing characters and images, the modern printing machine generally comprises mechanisms such as plate loading, inking, stamping, paper conveying (including folding) and the like, and the working principle of the printing machine is as follows: characters and images to be printed are made into a printing plate and installed on a printing machine, then ink is coated on the position, where the characters and the images are located, of the printing plate manually or by the printing machine, and then the printing plate is directly or indirectly transferred to paper or other printing materials (such as textiles, metal plates, plastics, leather, wood plates, glass and ceramics) so as to reproduce printed matters identical to the printing plate, the temperature of the ink is increased in the printing process, the viscosity of the ink is changed, and the ink in an ink box is easy to solidify in the ink box, so that the printing effect is unstable.
SUMMERY OF THE UTILITY MODEL
The existing cooling device of the printing machine cannot effectively recycle the used cooling water, so that the waste of the cooling water is caused. The utility model provides a water circulative cooling device suitable for printing machine, the backward flow cooling water that has via No. two raceway transports gets into coolant tank, backward flow cooling water flows above the upper water permeable plate earlier, then the hole of permeating water of seting up in upper water permeable plate left side continues to flow, then flow above the middle level water permeable plate, the hole of permeating water of seting up in middle level water permeable plate right side continues to flow after that, then flow above the lower floor's water permeable plate, then the hole of permeating water of seting up in lower floor's water permeable plate left side continues to flow, in this process, the upper water permeable plate, the middle level water permeable plate, the lower floor's water permeable plate all carries out the heat absorption cooling to the cooling water of backward flow, thereby realize the characteristics of the used in circulation of cooling water.
The utility model provides a following technical scheme: the utility model provides a water circulative cooling device suitable for printing machine, includes coolant tank, a high pressure water pump, condenser tube, printing ink box body, backflow water pipe, No. two high pressure water pumps, backflow cooling box, motor, coolant tank's front end is provided with control switch, coolant tank's inboard is provided with the upper strata porous disk, coolant tank's inboard is provided with the middle level porous disk, coolant tank's inboard is provided with the lower floor porous disk, the upper end of printing ink box body is provided with takes out the china ink pipe, the front end of backflow water pipe is provided with the inlet tube No. two, No. two high pressure water pump's end is provided with the raceway No. two, backflow cooling box's lower extreme is provided with the support frame.
The cooling water tank is arranged in a rectangular structure, a water tank water inlet pipe is arranged at the upper end of the cooling water tank, the water tank water inlet pipe penetrates through the wall body at the top end of the cooling water tank and extends into the inner cavity of the cooling water tank for a section of length, and the water tank water inlet pipe is provided with a corresponding protective cover; when the water circulation cooling device needs to be used, the protective cover is opened firstly, then a proper amount of cooling water is added into the cooling water tank through the water inlet pipe of the water tank, and then the protective cover is covered.
The upper permeable plate, the middle permeable plate and the lower permeable plate are all metal copper plates with rectangular structures, the upper permeable plate, the middle permeable plate and the lower permeable plate are vertically installed from top to bottom, the peripheries of the upper permeable plate, the middle permeable plate and the lower permeable plate are fixedly connected with the inner wall of the cooling water tank, and permeable holes are formed in the upper permeable plate, the middle permeable plate and the lower permeable plate; the cooling water that flows back that the raceway carried No. two gets into coolant tank, the cooling water that flows back earlier on the upper permeable plate, then the hole of permeating water of seting up in upper permeable plate left side continues to flow, then flow on the middle level permeable plate, the hole of permeating water of seting up in middle level permeable plate right side continues to flow after that, then flow on the lower floor permeable plate, then the hole of permeating water of seting up in lower floor permeable plate left side continues to flow, at this in-process, the upper strata permeable plate, the middle level permeable plate, the lower floor permeable plate all carries out the heat absorption cooling to the cooling water of backward flow, thereby realize the used circulation of cooling water.
The first high-pressure water pump is electrically connected with the control switch, a first water inlet pipe is arranged at the left end of the first high-pressure water pump, the front end of the first water inlet pipe penetrates through the side wall of the cooling water tank and extends into the inner cavity of the cooling water tank, a first water delivery pipe is arranged at the right end of the first high-pressure water pump, and the tail end of the first water delivery pipe is communicated with the cooling water pipe; when the operation of the first high-pressure water pump is started through the control switch, the first water inlet pipe extracts cooling water in the cooling water tank, and then the cooling water is conveyed to the cooling water pipe through the first water conveying pipe after being pressurized.
The cooling water pipe is arranged in a spiral structure, the cooling water pipe is arranged at the inner side of the ink box body, the front end of the cooling water pipe is communicated with the tail end of the first water pipe, and the tail end of the cooling water pipe is communicated with the front end of the second water inlet pipe; after cooling water carried to the cooling water pipe via a raceway, flowed at the effort of pressure, then carried No. two inlet tubes to realize the heat absorption cooling to printing ink at this in-process, the condenser tube that helical structure set up can effectively increase the contact time of cooling water and printing ink, and then improves the heat absorption cooling effect to printing ink.
The backflow water pipe is arranged in an S-shaped structure, the tail end of the backflow water pipe is communicated with a second high-pressure water pump, the second high-pressure water pump is electrically connected with the control switch, and the backflow water pipe is arranged at the inner side of the backflow cooling box; the S-shaped backflow water pipe is used for slowing down the flowing speed of cooling water in the backflow water pipe, and therefore cooling of the cooling water in the backflow water pipe is better achieved.
The reflux cooling box is of a rectangular structure, and a wall body at the top end of the reflux cooling box is provided with an exhaust hole; through the setting in exhaust hole for strengthen the circulation of reflux cooling case and external environment air, be convenient for simultaneously reflux cooling case the inside hot-air's of discharging.
The fan blades are arranged at the output end of the motor, the number of the fan blades is the same as that of the motors, and the motors are electrically connected with the control switch; after the operation of motor is opened through control switch, the motor drives the rotation of fan blade, and then realizes the cooling to the cooling water of backward flow water pipe the inside, and the cooling water after the cooling flows into cooling water tank via No. two raceway to the realization is to the used cyclically of cooling water.
The utility model has the advantages that: the return cooling water delivered by the second water delivery pipe enters the cooling water tank, the return cooling water firstly flows onto the upper layer water permeable plate, then continuously flows through the water permeable holes arranged on the left side of the upper layer water permeable plate, then flows onto the middle layer water permeable plate, then continuously flows through the water permeable holes arranged on the right side of the middle layer water permeable plate, then flows onto the lower layer water permeable plate, and then continuously flows through the water permeable holes arranged on the left side of the lower layer water permeable plate, in the process, the upper layer water permeable plate, the middle layer water permeable plate and the lower layer water permeable plate all absorb heat and cool the return cooling water, thereby realizing the recycling of the cooling water, when the cooling water is delivered to the cooling water pipe through the first water delivery pipe, the cooling water flows under the action of pressure, then is delivered to the second water inlet pipe, and absorbs heat and cools the printing ink in the process, the cooling water pipe arranged in a spiral structure can effectively increase the contact time of the cooling water and the printing ink, and then improve the heat absorption cooling effect to printing ink, the backward flow water pipe of S type structure for slow down the velocity of flow of cooling water in backward flow water pipe the inside, and then realize the cooling to backward flow water pipe the inside cooling water better, after the operation of opening the motor through control switch, the motor drives fan blade' S rotation, and then realize the cooling to backward flow water pipe the inside cooling water, the cooling water after the cooling flows into cooling water tank via No. two raceway, thereby realize the used cyclically of cooling water.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a front sectional view of the cooling water tank of the present invention;
FIG. 4 is a schematic cross-sectional view of the middle reflux cooling box according to the present invention;
fig. 5 is a schematic structural view of the middle return water pipe of the present invention;
FIG. 6 is a schematic structural view of the middle and upper permeable plates of the present invention;
in the figure: 1. a cooling water tank; 11. a water inlet pipe of the water tank; 111. a protective cover; 12. a control switch; 13. an upper porous plate; 14. a middle layer water permeable plate; 15. a lower permeable plate; 16. water permeable holes; 2. a first high-pressure water pump; 21. a first water inlet pipe; 22. a water delivery pipe I; 3. a cooling water pipe; 4. an ink cartridge body; 41. an ink suction pipe; 5. a return flow pipe; 6. a second high pressure water pump; 61. a second water inlet pipe; 62. a second water conveying pipe; 7. a reflux cooling tank; 71. an exhaust hole; 72. a support frame; 8. a motor; 81. a protective shell; 82. a fan blade.
Detailed Description
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a water circulative cooling device suitable for printing machine, includes cooling water tank 1, a high pressure water pump 2, condenser tube 3, printing ink box body 4, backflow water pipe 5, No. two high pressure water pumps 6, backflow cooling box 7, motor 8, cooling water tank 1's front end is provided with control switch 12, cooling water tank 1's inboard is provided with upper water permeable plate 13, cooling water tank 1's inboard is provided with middle level water permeable plate 14, cooling water tank 1's inboard is provided with lower floor water permeable plate 15, printing ink box body 4's upper end is provided with takes out ink pipe 41, backflow water pipe 5's front end is provided with No. two inlet tubes 61, No. two high pressure water pumps 6's end is provided with No. two raceway 62, backflow cooling box 7's lower extreme is provided with support frame 72.
In this embodiment: the cooling water tank 1 is arranged in a rectangular structure, a water tank inlet pipe 11 is arranged at the upper end of the cooling water tank 1, the water tank inlet pipe 11 penetrates through the wall body at the top end of the cooling water tank 1 and extends into the inner cavity of the cooling water tank 1 for a section of length, and the water tank inlet pipe 11 is provided with a corresponding protective cover 111; when the water circulation cooling device needs to be used, the protective cover 111 is opened, then a proper amount of cooling water is added into the cooling water tank 1 through the water tank inlet pipe 11, and then the protective cover 111 is covered.
The upper permeable plate 13, the middle permeable plate 14 and the lower permeable plate 15 are all metal copper plates with rectangular structures, the upper permeable plate 13, the middle permeable plate 14 and the lower permeable plate 15 are vertically arranged from top to bottom, the peripheries of the upper permeable plate 13, the middle permeable plate 14 and the lower permeable plate 15 are fixedly connected with the inner wall of the cooling water tank 1, and permeable holes 16 are formed in the upper permeable plate 13, the middle permeable plate 14 and the lower permeable plate 15; the backward flow cooling water of carrying via No. two raceway 62 gets into cooling water tank 1, backward flow cooling water flows above upper strata porous disk 13 earlier, then the hole 16 of permeating water of seting up in upper strata porous disk 13 left side continues to flow, then flow to middle level porous disk 14 upper face, the hole 16 of permeating water of seting up in 14 right sides of middle level porous disk continues to flow after that, then flow to lower floor's porous disk 15 upper face, then the hole 16 of permeating water of seting up in 15 left sides of lower floor's porous disk continues to flow, at this in-process, upper strata porous disk 13, middle level porous disk 14, lower floor's porous disk 15 all carries out the heat absorption cooling to the cooling water of backward flow, thereby realize the used circulation of cooling water.
The first high-pressure water pump 2 is electrically connected with the control switch 12, the left end of the first high-pressure water pump 2 is provided with a first water inlet pipe 21, the front end of the first water inlet pipe 21 penetrates through the side wall of the cooling water tank 1 and extends into the inner cavity of the cooling water tank 1, the right end of the first high-pressure water pump 2 is provided with a first water delivery pipe 22, and the tail end of the first water delivery pipe 22 is communicated with the cooling water pipe 3; when the operation of the first high-pressure water pump 2 is started through the control switch 12, the first water inlet pipe 21 extracts the cooling water in the cooling water tank 1, and then the cooling water is pressurized and conveyed to the cooling water pipe 3 through the first water conveying pipe 22.
The cooling water pipe 3 is arranged in a spiral structure, the cooling water pipe 3 is arranged at the inner side of the ink box body 4, the front end of the cooling water pipe 3 is communicated with the tail end of the first water delivery pipe 22, and the tail end of the cooling water pipe 3 is communicated with the front end of the second water inlet pipe 61; after cooling water delivered to cooling water pipe 3 via raceway 22, flowing at the effort of pressure, then carry No. two inlet tubes 61 to realize the heat absorption cooling to printing ink at this in-process, cooling water pipe 3 that helical structure set up can effectively increase the contact time of cooling water and printing ink, and then improve the heat absorption cooling effect to printing ink.
The backflow water pipe 5 is arranged in an S-shaped structure, the tail end of the backflow water pipe 5 is communicated with the second high-pressure water pump 6, the second high-pressure water pump 6 is electrically connected with the control switch 12, and the backflow water pipe 5 is arranged at the inner side of the backflow cooling box 7; the S-shaped backflow water pipe 5 is used for slowing down the flowing speed of cooling water in the backflow water pipe 5, and therefore cooling of the cooling water in the backflow water pipe 5 is achieved better.
The reflux cooling box 7 is arranged in a rectangular structure, and the wall body at the top end of the reflux cooling box 7 is provided with an exhaust hole 71; the exhaust holes 71 are arranged to enhance the circulation of the return cooling box 7 with the outside air and facilitate the discharge of the hot air inside the return cooling box 7.
The motors 8 are arranged in a plurality of groups, the outer ring of each motor 8 is provided with a protective shell 81, the output end of each motor 8 is provided with fan blades 82, the number of the fan blades 82 is the same as that of the motors 8, and the motors 8 are electrically connected with the control switch 12; after the operation of motor 8 is started through control switch 12, motor 8 drives the rotation of fan blade 82, and then realizes the cooling to the cooling water inside return pipe 5, and the cooling water after the cooling flows into cooling water tank 1 via No. two raceway 62 to the realization is to the used circulation of cooling water.
The utility model discloses a theory of operation and use flow: when the cooling water cooling device is used, the protective cover 111 is firstly opened, then a proper amount of cooling water is added into the cooling water tank 1 through the water tank water inlet pipe 11, then the protective cover 111 is covered, then the operation of the first high-pressure water pump 2, the second high-pressure water pump 6 and the motor 8 is started through the control switch 12, the cooling water in the cooling water tank 1 is extracted through the first water inlet pipe 21, then the cooling water is pressurized and then is conveyed to the cooling water pipe 3 through the first water pipe 22, after the cooling water is conveyed to the cooling water pipe 3 through the first water pipe 22, the cooling water flows under the action of pressure and then is conveyed to the second water inlet pipe 61, and the heat absorption and the temperature reduction of ink are realized in the process, the cooling water pipe 3 arranged in a spiral structure can effectively increase the contact time of the cooling water and the ink, so that the heat absorption and the temperature reduction effects of the ink are improved, the water return pipe 5 in an S-shaped structure is used for slowing down the flow speed of the cooling water in the water return pipe 5, and then realize the cooling to the cooling water in the backflow water pipe 5 better, the motor 8 drives the rotation of the fan blade 82, and then realize the cooling to the cooling water in the backflow water pipe 5, through the setting of exhaust hole 71, be used for strengthening the circulation of the backflow cooling box 7 and the external environment air, simultaneously be convenient for the discharge of the hot air in the backflow cooling box 7, the backflow cooling water that is carried via the second conduit pipe 62 gets into the cooling water tank 1, the backflow cooling water flows onto the upper layer porous disk 13 first, then continues to flow via the porous hole 16 that is seted up on the left side of the upper layer porous disk 13, then flows onto the upper surface of the middle layer porous disk 14, then continues to flow via the porous hole 16 that is seted up on the right side of the middle layer porous disk 14, then flows onto the upper surface of the lower layer porous disk 15, then continues to flow via the porous hole 16 that is seted up on the left side of the lower layer porous disk 15, in this process, the upper layer porous disk 13, The middle layer porous plate 14 and the lower layer porous plate 15 absorb heat and cool the returned cooling water, so that the cooling water can be recycled.
Claims (8)
1. The utility model provides a water circulative cooling device suitable for printing machine which characterized in that: including coolant tank, a high-pressure water pump, condenser tube, printing ink box body, return water pipe, No. two high-pressure water pumps, backflow cooling box, motor, coolant tank's front end is provided with control switch, coolant tank's inboard is provided with the upper strata porous disk, coolant tank's inboard is provided with the middle level porous disk, coolant tank's inboard is provided with the lower floor porous disk, the upper end of printing ink box body is provided with takes out the china ink pipe, the front end of return water pipe is provided with the inlet tube No. two, No. two high-pressure water pump's end is provided with the raceway No. two, the lower extreme of backflow cooling box is provided with the support frame.
2. A water circulation cooling device adapted for a printing press according to claim 1, wherein: the cooling water tank is the rectangle structure setting, and cooling water tank's upper end is provided with the water tank inlet tube, and the water tank inlet tube runs through the wall body on cooling water tank top and stretches into to one section length of cooling water tank inner chamber, and the water tank inlet tube is equipped with corresponding visor.
3. A water circulation cooling device adapted for a printing press according to claim 1, wherein: the upper permeable plate, the middle permeable plate and the lower permeable plate are metal copper plates of rectangular structures, the upper permeable plate, the middle permeable plate and the lower permeable plate are vertically installed from top to bottom, the periphery of the upper permeable plate, the middle permeable plate and the lower permeable plate is fixedly connected with the inner wall of the cooling water tank, and the permeable holes are formed in the upper permeable plate, the middle permeable plate and the lower permeable plate.
4. A water circulation cooling device adapted for a printing press according to claim 1, wherein: a high pressure water pump and control switch electric connection, a high pressure water pump's left end is provided with the inlet tube No. one, and the front end of inlet tube passes cooling water tank's lateral wall and stretches into cooling water tank's inner chamber, and a high pressure water pump's right-hand member is provided with the raceway No. one, and the end and the condenser tube of raceway communicate each other.
5. A water circulation cooling device adapted for a printing press according to claim 1, wherein: the cooling water pipe is arranged in a spiral structure, the cooling water pipe is arranged at the inner side position of the ink box body, the front end of the cooling water pipe is communicated with the tail end of the first water pipe, and the tail end of the cooling water pipe is communicated with the front end of the second water inlet pipe.
6. A water circulation cooling device adapted for a printing press according to claim 1, wherein: the backflow water pipe is of an S-shaped structure, the tail end of the backflow water pipe is communicated with the second high-pressure water pump, the second high-pressure water pump is electrically connected with the control switch, and the backflow water pipe is arranged at the inner side of the backflow cooling box.
7. A water circulation cooling device adapted for a printing press according to claim 1, wherein: the reflux cooling box is of a rectangular structure, and a wall body at the top end of the reflux cooling box is provided with an exhaust hole.
8. A water circulation cooling device adapted for a printing press according to claim 1, wherein: the motor sets up in a plurality ofly, and the outer lane of every motor all is provided with the protective housing, and the output of motor is provided with fan blade, and fan blade's quantity is the same with the quantity of motor, and the motor all with control switch electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370059.1U CN215204055U (en) | 2021-06-21 | 2021-06-21 | Water circulation cooling device suitable for printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370059.1U CN215204055U (en) | 2021-06-21 | 2021-06-21 | Water circulation cooling device suitable for printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215204055U true CN215204055U (en) | 2021-12-17 |
Family
ID=79433735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121370059.1U Active CN215204055U (en) | 2021-06-21 | 2021-06-21 | Water circulation cooling device suitable for printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215204055U (en) |
-
2021
- 2021-06-21 CN CN202121370059.1U patent/CN215204055U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Water Circulation Cooling Device Suitable for Printing Machines Effective date of registration: 20231101 Granted publication date: 20211217 Pledgee: Linyi Xincheng Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Linyi Xinnuo color printing and packaging Co.,Ltd. Registration number: Y2023980063655 |