welding processing 1.material:steel, SS,aluminium,copper 2.powder coating,painting 3.ISO 9001:2008 4.good service,quality. welding processing :1.material:steel,SS,aluminium,copper.2.finish:powder coating,painting,zinc plating,nickle plating,chrome plating,hot-deep galvanizing,cathode electro-coating,anode electro-coating,brushing,sand-spraying;3.fabrication machine:CNC shearing machine,CNC ...