Shanghai Sinosteel Industry Co.,Limited. are the facotry for the PPGI,GI&Galvalume steel,We manufacture galvanized, galvalume, and pre-painted steel coils. With over 18 years of experience and an annual production capacity of 300,000 tons, we specialize in supplying high-quality coated steel products to global partners.

We are in Shangdong Boxing city,factory started fromyear of 2008,we have 3 manufacture lines for the GI,Gavalume and PPGI.100 professional workers,with 12 R&D people,we only do the high quality steel.

Our Production Lines & Products
Pre-Painted Steel Coils (PPGI/PPGL)
Thickness: 0.1–1.5mm
Zinc Coating: Z30–Z275 | Al-Zn Coating: AZ30–AZ150
Color Coating: 15–25μm (top) / 5–15μm (bottom)
Coating Types: PE, SMP, PVDF (custom colors available)
Galvanized Steel Coils (GI)
Thickness: 0.1–6.0mm
Zinc Coating: Z30–Z275
Surface Finish: Regular spangle / Zero spangle
Galvalume Steel Coils (GL/55% Al-Zn)
Thickness: 0.1–3.0mm
Coating: AZ30–AZ150 (55% aluminum, 45% zinc)
Surface Finish: AFP (Anti-Fingerprint) available