... ,electrophoresis, polishing,Aluminum color Multi-functional High speed electronic engraving machine is one of used specific liquid that ... etc, via of testing report from National product quality & control bureau: NPQC No.3. 200150013, as well as ... window fittings, lighter, glasses rims, kitchenware, hardware, crust of electronic equipment, clothes accessories, leather accessories, etc. 8. Work as ...