1)Apply: fittings of eletrical car and electrical tools. 2)Surface finish: Black; Zinc, Nickel, powder coating etc. 3)ISO9001. 1) High precision metal machining parts2) Surface treatment: Black; Zinc, Nickel,powder coating, sand blasting etc3) Certification: ISO16949, ISO9001, ISO14001, ISO13485.Precision metal parts; turning metal components