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High-Quality Prepainted Aluminum Coils from China - Leading Suppliers & Factory for Coil Coating Solutions
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High-Quality Prepainted Aluminum Coils from China - Leading Suppliers & Factory for Coil Coating Solutions

QINGDAO SINCERELY Steel stands out as a premier manufacturer and supplier of high-quality Prepainted Aluminium Coils in China. Our ultra-modern factory, certified with ISO 9001:2015, is strategically located in the Shandong Industrial Park, close to the Qingdao Port. This prime location enables us to efficiently serve our clients both domestically and internationally. We proudly export our products to countries including Saudi Arabia, Kuwait, Oman, Bahrain, Jordan, as well as various African and European nations.


Our color-coated aluminum coils are categorized based on the type of surface paint, including polyester (PE), fluorocarbon (PVDF), and epoxy coatings. Additionally, we offer various thickness options, ranging from single-coated aluminum coils (4-20 microns) to double-coated (25-28 microns) and triply-coated coils (35-38 microns).

The versatility of our coated aluminum coils (PPAL) makes them ideal for numerous applications, including roofing and cladding systems, ceiling installations, curtain wall plates, shutters, gutters, composite panels, and embossed aluminum coils. Choose QINGDAO SINCERELY Steel, the leading supplier and factory for premium Prepainted Aluminium Coils in China.

PREPAINTED ALUMINUM (PPAL) Specifications

SUBSTRATE Mill finish tension leveled Aluminum coils.
QUALITY Smooth surface, Mill Finish Aluminum coils.
STANDARD ASTM B209 M or any other international standards
ALLOY 1100, 3004, 3005 , 3105 , 5005, 5050, 5052 etc., or any other alloy on request
TEMPER H-16, H-26, H-46, H-48
THICKNESS 0.20 mm – 1.20 mm for Aluminium
WIDTH 40 mm – 1350 mm
INTERNAL DIA. 508 mm (Standard) / 610 mm (Optional)
OUTER DIA. 1800 mm Max

Production process

Frequently Asked Questions

What substrate is used for your Prepainted Aluminum (PPAL)?
We use mill finish tension leveled Aluminum coils with a smooth surface as the substrate for our Prepainted Aluminum (PPAL).
Which international standards does the PPAL comply with?
Our prepainted aluminum products comply with the ASTM B209 M standard or other specified international standards.
What aluminum alloys and tempers are available?
Available alloys include 1100, 3004, 3005, 3105, 5005, 5050, 5052, and other requested alloys. The available tempers are H-16, H-26, H-46, and H-48.
What thickness and width ranges do you provide?
We offer prepainted aluminum with a thickness range of 0.20 mm to 1.20 mm and a width range of 40 mm to 1350 mm.
What are the coil diameter specifications for PPAL?
The standard internal diameter is 508 mm, with an optional 610 mm internal diameter. The maximum outer diameter is 1800 mm.