... effective service, we build mill factory ,shot-blasting line ,steel structure processing and distribution center. These factories involved in the ... supply of steel raw material , steel CNC plasma and welding and pre-treatment, and ... RINA/KR/CCSBulb flat (HP80-HP430),L shaped steel ,angle steel ,seamless pipeOther steel materialSteel plate (ASTM,JIS,BS,DIN,GB), ...