... steel sheet Width/Model: 720,750,760,820,840,850,860,900,850,1025,1050, etc. Length: as your requirements. Color steel sheet rolled ... from galvanized steel sheet or pre-painted galvanized steel sheet. Specifications:StandardGB/JIS, ASTM, ... , exhibition halls, gymnasiums etc Features:Corrugated steel sheet features on light weight, abundant colors, ...