... sale servicecertifiation: ISO9001, CE , UL, ROHS, SGS etc material: steel board, steel wire Dia4.0mm,2.8mm,2.0mm, Dia22.2 ... and machines: CNC bending machine, laser cutting machine , punching machine, deep drawing machine , welding machine , polishing machine, powder coating and plating,silk printing machine, sawing machine etc. We have ...