... .OEM service available Product: Feathures:1. Material: Alloy Steel, Carbon Steel, Stainless Steel, Hardended & Tempered Steel, Cast Iron, Aluminum, Copper, Brass and so on2 ... Treatment: Galvanizing/Zincplating, Dacrotized, Black Anodic Treatment, Spray Printing, Mirror Finish, Burnishing, Sand-blasting and so on according to ROHS demand ...