... casting,surface blast cleaning of forgings,heat-treated piece,steel pipe,sections and steel structure,surface treatment before painting ... casting,forgings and heat-treated pieces,alumininum and copper alloy casting,steel plates,steel pipes,section and steel structure, ... SG0.3G12/SG0.2surface cleaning of stainless steel plate,thin steel plate,non ferrous alloysTransportation International cooperation30 ...