... starting at $0.001 3. MOQ:1000 4. Delivery:15-30days 5. Nice after-sale service Specification1.Thread type: ... plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat disposing, hot-dip galvanizing, black oxide ... Spray Test, Durometer, and Coating Thickness Tester.WorkforceA group of experienced production technician, sophisticated engineer and dedicated QC.About ...