PPGI coil, GI coil, GL coil is our main product, in addition we can also produce metal roofing, the MOQ is 25 tons.


COSASTEEL was established in 2006, located in China, which is steel coil manufacturer and supplier and factory. We manufacture galvanized steel sheet in coil, pre painted galvanized steel coil, galvalume steel coil, prepainted aluminum coil. An annual output of 800,000 tons of steel coils.


Difference between PPGI and PPGL

The meaning of the term PPGI refers to pre-painted galvanized, PPGL refers to pre-painted galvanized aluminum. Different surface coating content The coating composition of PPGI

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What is maraging steel?

 Definitions of Maraging Steel Maraging steel is ultra-high-strength steel based on carbon or micro-carbon martensite, and precipitation hardening intermetallic compounds are produced during the aging

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Galvanized steel vs Aluminum

What is galvanized steel? Galvanizing is an economical and effective anti-corrosion method often used. Classification of galvanized steel Hot-dip galvanized steel, electro-galvanized steel, single-sided or

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How to paint galvanized steel?

Galvanized steel is widely used to control atmospheric corrosion. To improve the corrosion resistance or decoration of galvanized steel, it is often left to be

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