... ,reliable quality 3.Salt spray test 4.OEM accept Zinc Alloy Faucet Handle:1.Precise and efficient die design, advanced casting & machining ... , 316, ……Other materialsSurface TreatmentHeat treatmentPlating With Chromate, Nickel, Zinc, Dichromate, etc.AnodizingChemical Film / Conversion CoatingOther Finish as Customer’s Requirement Zinc Basin Mixer Tap Faucet Handle