Name Color Coated Steel Sheet Standard AiSi, ASTM, bs, DIN, GB, JIS Technique Cold Rolled Width 1220-2000mm Color Standard RAL color:red,bule,white,grey,brick,etc. Steel Grade Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, Thickness 0.11-2.0mm or customer's requirement Surface Structure Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) Surface Treatment 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement Product Application 1. Fence, greenhouse, door pipe,greenhouse 2. Low pressure liquid, water, gas, oil, line pipe 3. For both indoor and outdoor the building construction 4. Widely used in scaffolding construction which is much cheaper and convenient 01. SMOOTHNESS No composite indentation, no residual stress, no deformation after shearing. 02. DECORATIVE You can choose a realistic material and aesthetic wood grain, stone coating. Patterns and colors can be customized according to customer requirements. 03. DURABILITY Surface paint, high gloss retention, good color stability, minimal change in chromatic aberration, and long service time. 04. STABILITY The change of wind pressure, humidity and temperature will not cause bending, deformation and expansion. It has strong bending and flexural resistance
Name Galvanized roof Standard AiSi, ASTM, bs, DIN, GB, JIS Grade SGCC/CGCC/TDC51DZM/TDC52DTS350GD/TS550GD/DX51D+Z Type Steel Plate Technique Hot Rolled Surface Treatment Galvanized Application Boiler Plate Special Use High-strength Steel Plate Width 600-1100mm Length 2-5M or as required Characteristicsï¼?Weather proof; heating insulation; fireproof; anti-rust; sound insulation; long life span: more than 20 years. Corrosion Resistance: the aluzinc coating surface protects the base steel not only by providing barrier to corrosion elements, but also by the sacrificial nature of the coating. 01. SMOOTHNESS No composite indentation, no residual stress, no deformation after shearing. 02. DECORATIVE You can choose a realistic material and aesthetic wood grain, stone coating. Patterns and colors can be customized according to customer requirements. 03. DURABILITY Surface paint, high gloss retention, good color stability, minimal change in chromatic aberration, and long service time. 04. STABILITY The change of wind pressure, humidity and temperature will not cause bending, deformation and expansion. It has strong bending and flexural resistance.
Name Galvalume Roof Standard AiSi, ASTM, bs, DIN, GB, JIS Grade SGCC/CGCC/TDC51DZM/TDC52DTS350GD/TS550GD/DX51D+Z Type Steel Plate Technique Hot Rolled Surface Treatment Galvalume Application Boiler Plate Special Use High-strength Steel Plate Width 600-1100mm Length 2-5M or as required Characteristics Weather proof; heating insulation; fireproof; anti-rust; sound insulation; long life span: more than 20 years. Corrosion Resistance: the aluzinc coating surface protects the base steel not only by providing barrier to corrosion elements, but also by the sacrificial nature of the coating. 01. SMOOTHNESS No composite indentation, no residual stress, no deformation after shearing. 02. DECORATIVE You can choose a realistic material and aesthetic wood grain, stone coating. Patterns and colors can be customized according to customer requirements. 03. DURABILITY Surface paint, high gloss retention, good color stability, minimal change in chromatic aberration, and long service time. 04. STABILITY The change of wind pressure, humidity and temperature will not cause bending, deformation and expansion. It has strong bending and flexural resistance. Package 1 Inside is kraft paper 2 Middle is water plastic film 3 Ouside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve. Monthly Output 10000 tons Remarks Insurance is all risks and accept the third party test
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project
Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is available, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project.
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project.
Product introduction Color coated corrugated sheet, also known as pressure plate, the use of color coated steel plate, galvanized plate and other metal plate by rolling cold bending into a variety of wave type pressure plate, it is suitable for industrial and civil buildings, warehouses, special buildings, large-span steel structure of the roof, wall and interior and exterior wall decoration. With light weight, high strength, rich color, convenient construction, seismic, fire, rain, long life, maintenance-free and other characteristics, has been widely used. Product Name Corrugated Galvanized Prepainted Roofing Sheet Material SGCC, DX51D, DX53D, DX54D, SPHC, Q195 and etc. Thickness 0.12mm-0.8mm or customized Width 600mm-1500mm or customized Zinc Coating 30-500 g/ã?¡ Color Choice Natural color, blue, green, yellow, red, grey, black, white and others Standard ASTM, BS, GB, JIS and etc. Surface Finished or unfinished is avaliable, coat or without coat Application Widely used in construction, home, appliance, decoration, wear resistant steel and etc. Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project.
Product name Galvanized Roofing Sheet Material DX51D,DX52D,DX53D,DX54D,S250GD,S350GD,S550GD Thickness 0.12-6mm type 460/760/750/820/840/900/850/880/960/980/1050 Standard ASTM/DIN/JIS/BS/GB/T Zinc coating 30-275g/M2 Width 600-1500mm, usually 1250mm,1000mm,1240mm,1500mm,914mm,750mm and so on. Grade TDX51D+Z,TDX51D+AZ Application Villas, townhouse, apartments, tourist destination building, and roof conversion project Paint Back (microns) 5-10 microns Surface Treatment 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement Coating AZ30-AZ160, Z50-Z275g/m2 Surface Matt, high gloss, double coated, wood pattern, marble pattern, winkle Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period
Product name Galvanized Roofing Sheet Material DX51D,DX52D,DX53D,DX54D,S250GD,S350GD,S550GD Thickness 0.12-6mm type 460/760/750/820/840/900/850/880/960/980/1050 Standard ASTM/DIN/JIS/BS/GB/T Zinc coating 30-275g/M2 Width 600-1500mm, usually 1250mm,1000mm,1240mm,1500mm,914mm,750mm and so on. Grade TDX51D+Z,TDX51D+AZ Application Villas, townhouse, apartments, tourist destination building, and roof conversion project Paint Back (microns) 5-10 microns Surface Treatment 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement Coating AZ30-AZ160, Z50-Z275g/m2 Surface Matt, high gloss, double coated, wood pattern, marble pattern, winkle Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project
Product name Galvanized Roofing Sheet Material DX51D,DX52D,DX53D,DX54D,S250GD,S350GD,S550GD Thickness 0.12-6mm type 460/760/750/820/840/900/850/880/960/980/1050 Standard ASTM/DIN/JIS/BS/GB/T Zinc coating 30-275g/M2 Width 600-1500mm, usually 1250mm,1000mm,1240mm,1500mm,914mm,750mm and so on. Grade TDX51D+Z,TDX51D+AZ Application Villas, townhouse, apartments, tourist destination building, and roof conversion project Paint Back (microns) 5-10 microns Surface Treatment 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement Coating AZ30-AZ160, Z50-Z275g/m2 Surface Matt, high gloss, double coated, wood pattern, marble pattern, winkle Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period. Application field The company adheres to the corporate spirit of never being satisfied and striving to surpass, and continuously creates new brilliance with the new economic concept of continuous innovation. Reward guests and friends from all over the world with satisfactory service. Our company is willing to cooperate closely with friends from all walks of life at home and abroad, and work together to create a better tomorrow
Product name Galvanized Roofing Sheet Material DX51D,DX52D,DX53D,DX54D,S250GD,S350GD,S550GD Thickness 0.12-6mm type 460/760/750/820/840/900/850/880/960/980/1050 Standard ASTM/DIN/JIS/BS/GB/T Zinc coating 30-275g/M2 Width 600-1500mm, usually 1250mm,1000mm,1240mm,1500mm,914mm,750mm and so on. Grade TDX51D+Z,TDX51D+AZ Application Villas, townhouse, apartments, tourist destination building, and roof conversion project Paint Back (microns) 5-10 microns Surface Treatment 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement Coating AZ30-AZ160, Z50-Z275g/m2 Surface Matt, high gloss, double coated, wood pattern, marble pattern, winkle Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project
Product name Galvanized Roofing Sheet Material DX51D,DX52D,DX53D,DX54D,S250GD,S350GD,S550GD Thickness 0.12-6mm type 460/760/750/820/840/900/850/880/960/980/1050 Standard ASTM/DIN/JIS/BS/GB/T Zinc coating 30-275g/M2 Width 600-1500mm, usually 1250mm,1000mm,1240mm,1500mm,914mm,750mm and so on. Grade TDX51D+Z,TDX51D+AZ Application Villas, townhouse, apartments, tourist destination building, and roof conversion project Paint Back (microns) 5-10 microns Surface Treatment 1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement Coating AZ30-AZ160, Z50-Z275g/m2 Surface Matt, high gloss, double coated, wood pattern, marble pattern, winkle Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project.
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