... of the Prefabricated(pre-engineered) Steel Building,Space Frames, Portable Cabins, Tubular Steel Structures,basic building elements ... -rolled H-section, channel, steel column, steel beam),standard frames, secondary framing, roof & wall materials, Tempcon (sandwich) ... in automobile, chemical, textile, logistics, food, construction material, electronic appliance, steel and other industries. ZEJSS also ...