CN218061063U - Roof board - Google Patents
Roof board Download PDFInfo
- Publication number
- CN218061063U CN218061063U CN202221332047.4U CN202221332047U CN218061063U CN 218061063 U CN218061063 U CN 218061063U CN 202221332047 U CN202221332047 U CN 202221332047U CN 218061063 U CN218061063 U CN 218061063U
- Authority
- CN
- China
- Prior art keywords
- roof
- heat
- syllable
- heated board
- panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004321 preservation Methods 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims description 13
- 239000011490 mineral wool Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000007688 edging Methods 0.000 claims 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000006260 foam Substances 0.000 abstract description 4
- 239000005011 phenolic resin Substances 0.000 abstract description 4
- 229920001568 phenolic resin Polymers 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 14
- 239000012634 fragment Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000009964 serging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a roof panel, which comprises a bottom plate, a top plate and a heat-insulating layer, wherein the top plate is arranged on one side of the bottom plate away from the indoor space; the heat preservation is located the bottom plate with between the roof, the heat preservation includes first syllable-dividing heated board, heat-insulating shield and second syllable-dividing heated board, the heat-insulating shield is located first syllable-dividing heated board with between the second syllable-dividing heated board. A roof boarding of this structure through being equipped with first syllable-dividing heated board, heat-insulating shield and second syllable-dividing heated board, first syllable-dividing heated board and second syllable-dividing heated board can keep warm to the roof boarding, can separate the heat of roof to the bottom plate transmission through being equipped with the heat-insulating shield between first syllable-dividing heated board and second syllable-dividing heated board to only be equipped with phenolic resin foam heat preservation for prior art and keep warm, the utility model discloses can prevent that the temperature in the room from receiving the influence of roof upper temperature, lead to causing the influence to the life in the room.
Description
Technical Field
The utility model relates to a building technical field, concretely relates to roof boarding.
Background
The roof board, as the name implies, means that after being used on the roof of a house, the roof does not leak, has certain bearing, cold-resisting and heat-insulating effects and other effects, and is used as an indispensable structure of a building and widely applied to industrial plants or civil buildings.
The prior art discloses a waterproof intergral template that keeps warm with electricity generation function, and it includes heat preservation and solar cell power generation layer, and solar cell power generation layer one side is located to the heat preservation. Wherein the heat-insulating layer is a phenolic resin foam heat-insulating layer.
However, the above-mentioned waterproof intergral template of heat preservation with electricity generation function, the heat-insulating layer is thermal-insulated less effectively, and outdoor heat can transmit to the room through roofing structures such as roof boarding in to it is great that the temperature that leads to in the building receives ambient temperature to influence, causes the influence to the life in the building.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that will solve lies in that the thermal-insulated effect of heat preservation layer is relatively poor among the prior art, and outdoor heat can transmit to the room through roofing structures such as roof boarding in to it is great that the temperature that leads to in the building receives the ambient temperature influence, causes the influence to the life in the building.
Therefore, the utility model provides a roof boarding, include:
a base plate;
the top plate is arranged on one side of the bottom plate far away from the indoor space;
the heat preservation, the heat preservation is located the bottom plate with between the roof, the heat preservation includes first syllable-dividing heated board, heat-insulating shield and second syllable-dividing heated board, the heat-insulating shield is located first syllable-dividing heated board with between the second syllable-dividing heated board.
Optionally, first syllable-dividing heated board is first rock wool board, second syllable-dividing heated board is the second rock wool board.
Optionally, the solar panel further comprises a photovoltaic panel, and the photovoltaic panel is arranged on one side, far away from the indoor, of the top plate.
Optionally, the top plate is provided with a serging structure, and the serging structure is exposed out of the photovoltaic panel.
Optionally, still include the fossil fragments, the fossil fragments are located indoor one side is kept away from to the bottom plate and is located in the heat preservation.
Optionally, the roof plate further comprises a connecting piece, the connecting piece is arranged in the roof plate, and the connecting piece is connected with the serging structure and the bottom plate, or the connecting piece is connected with the serging structure and the keel.
Optionally, the connecting piece is arranged in a split manner, and comprises a heat insulation splicing split body and a reinforcing support splicing split body which are sequentially arranged along a direction far away from the indoor space, one end of the heat insulation splicing split body is connected to the reinforcing support splicing split body, the other end of the heat insulation splicing split body is connected to the bottom plate, the reinforcing support splicing split body is provided with a first locking edge matching portion, and the first locking edge matching portion is connected with the locking edge structure.
Optionally, the connecting piece sets up for integrated into one piece, the connecting piece is thermal-insulated connecting piece, connecting piece one end have first lockstitching a border cooperation portion with the lockstitching a border structural connection, the connecting piece other end is connected with fossil fragments.
Optionally, the roof panel further comprises an edge sealing member, the edge sealing member is arranged at the edge of the roof panel, and the edge sealing member is connected with the top plate and the bottom plate.
Optionally, the roof panel assembly further comprises a splicing member, wherein the splicing member is connected with the adjacent roof panels.
The technical scheme provided by the utility model, following advantage has:
1. the utility model discloses a roof panel, which comprises a bottom plate, a top plate and a heat preservation layer, wherein the top plate is arranged on one side of the bottom plate far away from the indoor space; the heat preservation is located the bottom plate with between the roof, the heat preservation includes first syllable-dividing heated board, heat-insulating shield and second syllable-dividing heated board, the heat-insulating shield is located first syllable-dividing heated board with between the second syllable-dividing heated board. A roof boarding of this structure through being equipped with first syllable-dividing heated board, heat-insulating shield and second syllable-dividing heated board, first syllable-dividing heated board and second syllable-dividing heated board can keep warm to the roof boarding, through be equipped with the heat-insulating shield between first syllable-dividing heated board and second syllable-dividing heated board, the heat that can the separation roof is to the bottom plate transmission to only be equipped with phenolic resin foam heat preservation for prior art and keep warm, the utility model discloses can prevent that the temperature in the room from receiving the influence of the roof upper temperature, lead to causing the influence to the life in the room.
2. The utility model discloses a roof boarding, the roof is equipped with the structure of lockstitching a border, the structure of lockstitching a border expose in the photovoltaic board. The roof panel of the structure can improve the connection stability between the adjacent top plates by being provided with the overlocking structure.
3. The utility model discloses a roof boarding still includes fossil fragments, fossil fragments are located indoor one side is kept away from to the bottom plate and is located in the heat preservation. The roof panel of this structure through being equipped with fossil fragments, can improve the support intensity of roof panel, causes the damage when preventing that the roof panel from receiving external pressure.
4. The utility model discloses a roof boarding, the connecting piece sets up for the components of a whole that can function independently, and it includes that the thermal-insulated concatenation components of a whole that can function independently that sets gradually along keeping away from indoor direction supports the concatenation components of a whole that can function independently with the enhancement, thermal-insulated concatenation components of a whole that can function independently one end connect in the enhancement supports the concatenation components of a whole that can function independently, thermal-insulated concatenation components of a whole that can function independently other end connect in the bottom plate, the enhancement is supported the concatenation components of a whole that can function independently and is had first lockage cooperation portion and is connected with the lockage structure. The roof panel of this structure through being equipped with thermal-insulated concatenation components of a whole that can function independently to prevent that heat on the roof from transmitting the bottom plate through the connecting piece on, thereby lead to the thermal-insulated effect reduction of heat preservation, make the temperature in the room receive the temperature influence on the roof, cause the influence to the life in the room, through being equipped with the intensity that the concatenation components of a whole that can function independently of strengthening support can increase connecting piece and lockstitch structure junction, thereby improve the wind-resistant performance of taking off of roof panel.
5. The utility model discloses a roof panel still includes banding spare, the banding spare is located the edge of roof panel, the banding spare is connected the roof with the bottom plate still includes the built-up fitting spare, the built-up fitting spare is connected adjacently the roof panel. The roof panel of the structure can be connected conveniently by arranging the edge sealing piece and the assembling piece, and the field installation speed of the roof panel is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a roof panel in an embodiment of the present invention;
fig. 2 is a schematic structural view of a roof panel including a keel according to an embodiment of the present invention;
FIG. 3 is a schematic view of the assembled unit and edge seal of FIG. 1;
FIG. 4 is a schematic view of the assembly and edge seal of FIG. 2;
description of reference numerals: 1-a bottom plate; 2-a top plate; 21-a lockstitching structure; 3, insulating layer; 31-a first sound-insulation heat-preservation plate; 32-an insulating plate; 33-a second sound-insulation heat-preservation plate; 4-a photovoltaic panel; 5-keel; 6-connecting piece; 61-heat insulation splicing split body; 62-reinforcing support splicing split body; 63-a first locklip engagement; 7-edge sealing piece; 8-assembling.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment provides a roof panel, as shown in fig. 1 to 4, including a bottom plate 1, a top plate 2, a heat insulation layer 3, a photovoltaic panel 4, a connecting member 6, a sealing member 7, and a splicing member 8. The top plate 2 is arranged on one side, far away from the indoor, of the bottom plate 1, the top plate 2 is provided with a locking structure 21, and the locking structure 21 is exposed out of the photovoltaic panel 4; the heat preservation layer 3 is arranged between the bottom plate 1 and the top plate 2, and the photovoltaic plate 4 is arranged on one side, far away from the indoor, of the top plate 2.
As shown in fig. 1 and 2, the heat insulating layer 3 includes a first sound-insulating heat-insulating plate 31, a heat insulating plate 32 and a second sound-insulating heat-insulating plate 33, and the heat insulating plate 32 is connected between the first sound-insulating heat-insulating plate 31 and the second sound-insulating heat-insulating plate 33 by gluing or other connection means. Specifically, the first soundproof and heat-insulating plate 31 is a first rock wool plate, the second soundproof and heat-insulating plate 33 is a second rock wool plate, and the heat-insulating plate 32 is a vacuum heat-insulating plate 32.
Through being equipped with first syllable-dividing heated board 31, heat-insulating board 32 and second syllable-dividing heated board 33, first syllable-dividing heated board 31 and second syllable-dividing heated board 33 can keep warm to the roof boarding, and heat through being equipped with heat-insulating board 32 between first syllable-dividing heated board 31 and second syllable-dividing heated board 33 can separation roof 2 is to bottom plate 1 transmission to only be equipped with phenolic resin foam heat preservation for prior art and keep warm, the utility model discloses can prevent that the temperature in the room from receiving 2 upper temperature influences of roof, lead to causing the influence to the life in the room.
As shown in fig. 1, the connecting member 6 is provided in the roof boarding, and the connecting member 6 connects the lockrand structure 21 and the bottom plate 1. Specifically, the connecting member 6 is provided as a separate body, and includes a heat insulation split body 61 and a reinforcement support split body 62 which are sequentially provided along a direction away from the indoor space, one end of the heat insulation split body 61 is connected to the reinforcement support split body 62 through a fixing member such as a rivet or a screw, the other end of the heat insulation split body 61 is connected to the bottom plate 1 through a rivet or a screw, and the reinforcement support split body 62 has a first lockstitching portion 63 connected to the lockstitching structure 21.
By providing the lockstitching structure 21, the stability of the connection between the adjacent top plates 2 can be improved. Through being equipped with thermal-insulated concatenation components of a whole that can function independently 61, prevent that heat on the roof 2 from transmitting to bottom plate 1 through connecting piece 6 on to lead to the thermal-insulated effect of heat preservation 3 to reduce, make the temperature in the room receive roof 2 upper temperature influences, cause the influence to the life in the room, can increase the intensity of connecting piece 6 and lockstitch structure 21 junction through being equipped with enhancement support concatenation components of a whole that can function independently 62, thereby improve the wind-resistant performance of taking off of roof boarding.
As shown in fig. 1 to 4, the edge sealing member 7 is disposed at the edge of the roof panel, the edge sealing member 7 is connected to the top plate 2 and the bottom plate 1 by bonding or other connection methods, wherein the edge sealing member 7 is disposed at a side close to the heat insulating layer 3 and has an opening, and the edge sealing member 7 has two side walls at a side close to the opening, one of the side walls is connected to the top plate 2, and the other side wall is connected to the bottom plate 1. And as shown in fig. 3 and 4, the assembling pieces 8 are connected with the adjacent edge sealing pieces 7, wherein a second locking matching part is formed at the top ends of the assembling pieces 8, the assembling pieces 8 are connected with the top plate 2 through the second locking matching part, an extending part is formed at the bottom of the assembling pieces 8, and as shown in fig. 3, the extending part is located on one indoor side of the side wall, connected with the bottom plate 1, of the edge sealing piece 7. Through being equipped with banding spare 7 and piece 8, can make things convenient for adjacent roof boarding to connect, improve the on-the-spot installation rate of roof boarding.
As another embodiment of this embodiment, as shown in fig. 2 and 4, the roof panel further includes a keel 5, the keel 5 is disposed on one side of the bottom plate 1 away from the indoor space and disposed in the heat insulating layer 3, at this time, the connecting member 6 is integrally formed, the connecting member 6 is a heat insulating connecting member, one end of the connecting member 6 has a first locking-edge matching portion 63 to be connected with the locking-edge structure 21, and the other end of the connecting member 6 is connected with the keel 5 by riveting or screwing. And as shown in fig. 4, the bottom of the keel 5 in the adjacent roof panel abuts against part of the extension. Can improve the support intensity of roof boarding through being equipped with fossil fragments 5, cause the damage when preventing that the roof boarding from receiving external pressure.
In the installation process of the roof panels in this embodiment, during field installation, the installation position of the assembled part 8 is determined, the assembled part 8 is fixedly connected with the roof cross beams or the purlins through fixing parts such as bolts, after the installation of the assembled part 8 is completed on all roof cross beams or purlins from the ridge to the eave, the edge sealing part 7 on one roof panel and the edge sealing part 7 on the other roof panel are connected to two sides of the assembled part 8, so that the connection of the bottoms of the two roof panels is completed, and then the edge locking structures 21 on the two roof panels are connected to complete the connection of the tops of the two roof panels.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A roof panel, comprising:
a base plate (1);
the top plate (2) is arranged on one side, far away from the indoor, of the bottom plate (1);
heat preservation (3), heat preservation (3) are located bottom plate (1) with between roof (2), heat preservation (3) are including first syllable-dividing heated board (31), heat-insulating board (32) and second syllable-dividing heated board (33), heat-insulating board (32) are located first syllable-dividing heated board (31) with between second syllable-dividing heated board (33).
2. A roof panel as claimed in claim 1, characterised in that the first sound and heat insulating panel (31) is a first rock wool panel and the second sound and heat insulating panel (33) is a second rock wool panel.
3. A roof panel according to claim 1, characterised in that it further comprises photovoltaic panels (4), said photovoltaic panels (4) being arranged on the side of said roof panel (2) remote from the room.
4. A roof panel according to claim 3, characterised in that the top panel (2) is provided with a lockstitching structure (21), said lockstitching structure (21) being exposed to the photovoltaic panel (4).
5. A roof plate according to claim 4, characterised in that it further comprises a keel (5), said keel (5) being provided in the insulating layer (3) at the side of the bottom plate (1) remote from the room interior.
6. A roof plate according to claim 5, characterised in that it further comprises connecting elements (6), which connecting elements (6) are arranged in the roof plate, which connecting elements (6) connect the lockrand structures (21) with the bottom plate (1), or which connecting elements (6) connect the lockrand structures (21) with the runners (5).
7. A roof panel according to claim 6, characterised in that the connecting member (6) is provided in separate bodies, which includes a heat insulation splicing separate body (61) and a reinforcement support splicing separate body (62) arranged in sequence in a direction away from the room, one end of the heat insulation splicing separate body (61) is connected to the reinforcement support splicing separate body (62), the other end of the heat insulation splicing separate body (61) is connected to the bottom panel (1), the reinforcement support splicing separate body (62) has a first locking part (63), and the first locking part (63) is connected to the locking structure (21).
8. A roof panel according to claim 6, characterised in that the connecting pieces (6) are provided in one piece, that the connecting pieces (6) are heat insulating connecting pieces, that one end of the heat insulating connecting pieces is provided with a first lockstitching portion (63), that the first lockstitching portion (63) is connected to the lockstitching structure (21), and that the other end of the heat insulating connecting pieces is connected to the keel (5).
9. A roof plate according to claim 5, further comprising a edging piece (7), said edging piece (7) being provided at an edge of the roof plate, said edging piece (7) connecting the top plate (2) and the bottom plate (1).
10. A roof panel according to claim 9, further comprising a module (8), said module (8) connecting adjacent roof panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332047.4U CN218061063U (en) | 2022-05-30 | 2022-05-30 | Roof board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332047.4U CN218061063U (en) | 2022-05-30 | 2022-05-30 | Roof board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218061063U true CN218061063U (en) | 2022-12-16 |
Family
ID=84433977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221332047.4U Active CN218061063U (en) | 2022-05-30 | 2022-05-30 | Roof board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218061063U (en) |
-
2022
- 2022-05-30 CN CN202221332047.4U patent/CN218061063U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101355881B1 (en) | Fixing structure of solar battery module, frame for the solar battery module, and fixing member | |
| EP1715261B1 (en) | Solar energy collecting modular element for enclosure, and modular system for forming solar energy collecting enclosures on buildings | |
| JP5025125B2 (en) | Frame for solar-powered equipment and installation method of solar-powered equipment using the same | |
| JP5385856B2 (en) | Roof structure using solar panels | |
| JP4174107B2 (en) | Solar energy panels and solar energy roofs | |
| CN218061063U (en) | Roof board | |
| CN115217275A (en) | Photovoltaic power generation roof module and photovoltaic power generation roof structure | |
| CN213585646U (en) | Photovoltaic module frame suitable for building photovoltaic integration, photovoltaic module and system thereof | |
| CN217734603U (en) | Roof structure | |
| CN114622691A (en) | Energy-saving sloping roof structure and construction method thereof | |
| AU2018211333B2 (en) | Solar sheeting for roofing or walling | |
| CN217759616U (en) | Photovoltaic power generation roof module and photovoltaic power generation roof structure | |
| JP2001012038A (en) | House external surface structure, solar battery roof structure, solar battery roofing method, and house | |
| CN115030413A (en) | Roof structure | |
| JP3911550B2 (en) | Roof panel mounting structure | |
| JPH11173678A (en) | Roof panel with photothermal hybrid module, roof unit, unit building, and method for assembling the unit building | |
| JP3386752B2 (en) | Solar cell roof structure, solar cell roof construction method, and house | |
| CN2585920Y (en) | Composite warm steel plate roof | |
| CN1211548C (en) | Composite heat-insulating steel plate roof and its production process | |
| JP2003064829A (en) | Solar cell roof material | |
| JP2000008568A (en) | Roof with solar battery and its assembling method | |
| CN220100434U (en) | Photovoltaic unit and photovoltaic roofing system | |
| CN216239426U (en) | BIPV photovoltaic roof | |
| JP3392782B2 (en) | Solar energy module, its connection structure and house | |
| JP4577805B2 (en) | roof |
Legal Events
| 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 type of roof panel Granted publication date: 20221216 Pledgee: Sichuan Tianfu Bank Co.,Ltd. Business Department Pledgor: SICHUAN LINGLINGHAO TECHNOLOGY Co.,Ltd. Registration number: Y2024980001938 |