... the drawings for enquiry . DimensionAccording to customer's drawing.Materials Available1. Stainless Steel: SS201, SS303, SS304, SS316, ... socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, yellow passivation, gold passivation ... East of China.2. Hangzhou city which is famous for heavy industry city in China.3. We are ...