... black colour), nickel plating, chromate plating, passivated, HDG, Dacromet.5.Salt spray time2 hours, 24 hours, 48 hours, 96 hours, 1000 ... can do as per need. And can offer with salt spray checking report.6.Special reportfree PPAP or FMEA report ... the production. 3. Inspection equipment:Hardness test, torque test, salt spary endurance test, mechanical sizes test, ROHS report Mill test certification ...