... ,coloring and oxidizing accoring to your request colors.. powder coating service.welding part, welded part, metal part, ... ,iron,steel,stainless steel,brass,copper etc.3)process/treatment:cutting ,stamping,perforating, bending, welding,plating,powder coating,assembling,4 ... automic lathes etc.6)Standard/criteria:In compliance with customers request7)Quality: Strictly implement ISO9001 quality management ...