Steel sheet is changed into coated steel sheet after baking and cooling. As the layer bears different colors, thus coated steel sheet is also known as color coated steel sheet. Besides, because painting is preceded prior to the formation processing,coated steel sheet is also called as pre-coated steel sheet. .In this processing ,traditionally adopted spraying is replaced by continuous painting, which is conducive to surface treatment,quality control of coating layer and avoid defects in edges. 

Galvanized corrugated board is a corrugated cold-rolled sheet made of galvanized steel, which is cut and bent to become a corrugated steel sheet material. It can prevent steel rust corrosion, waterproof and heat insulation, with high strength, durable and other characteristics, is one of the commonly used materials in the construction industry

1. GI Roofing Steel Sheet introduction
It is a plain carbon steel sheet coated in a galvanizing process that applies a barrier of zinc to insulate it from the elements. Most of the corrugated roofing and siding products seen todayand for many years past are made with a galvanized finish

2. GI Roofing Steel Sheet application scope
It is most commonly used for commercial, agricultural, and industrial purposes, however, it is now also being recognized as an excellent form of residential roofing

3. GI Roofing Steel Sheet advantages compared with normal one
A normal steel sheet will rust almost immediately, but galvanizing will protect the steel. This galvanized, eltro-coated, hot-dipped process produces a silvery look or spangled finish. As
a standard, several of our industrial metal siding, metal roofing, metal decking, corrugated metal panels and accessories are made in galvanized steel

4. GI Roofing Steel Sheet technical processing
Hot rolled steel coil -->Cold rolled- >hot dipped galvanized/ galvalume- > corrugated-->packing

Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.