... certificate:ISO9001:2008&BV,meet RoSH,reach Stainless Steel Shaft ,metal machine shaftQuality control: Dimensional check ... of copiers, barcode / printer shaft, scanner shaft, motor shaft and other various types of shaft, Appliance copper fittings,Automotive ... projector, microscope, roughness tester, precision, length of the detector, the high degree of precision instrument, hardness gauge,various ...