Shandong Sino Steel Co.,Ltd will always set its goal to promoting the healthy and fast development of Chinese steel industry in good faith, be realistic and pragmatic, maintainour brand stronger, and
GI 15-21 days ASTM SGCC/SGCH Coating 3-8 Tons 1.8- 5meters Coated Galvanized Steel The corrosion resistance of general color coated roofing sheet is 5...