... , BS, JIS ,CE (DIN18800) Type light / heavy Commodityprefab steel structure SpecificationsStandard ISO 9001 : 2008 , GB ,AISI , ASTM ... DIN18800)Material & Grade Q235 , Q345,H C Z steel . sandwich plate , corrugated plate Dimensions 10sqm—100000sqm , ... / heavy Using workshop, steel walkway and floor , steel structure platform ,steel fabricated house ,frame part ,steel structure bridge, warehouse Surface ...