... Specifications prefab steel structure Standard GB ,AISI , ASTM , BS, JIS ,CE (DIN18800) Type light / heavy Commodityprefab steel structure SpecificationsStandard ISO ... workshop, steel walkway and floor , steel structure platform ,steel fabricated house ,frame part ,steel structure bridge, warehouse Surface ... , Yuhua District, Shijiazhuang , Hebei , China Tel: 0086-0311- 88701235 Fax: 0086-0311 ...