... (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Anodizing, E-coating, Silkscreen, Heat treatment, Black oxid;4.Standard/ specification:OEM ... , with in-house tooling design & fabricating;5.RoHS compliance for export6.Quality assurance in accordance with ISO9001:20087.Concurrent engineering ... to contact us if you have any requirements Aluminum Electronic product enclosure anodizing drawbench black