... We are specializing in manufacturing all kinds of precision stamping parts.1. All kinds of surfaces ... test equipments to ensure the QUALITY.DimensionAccording to customer's drawing.Materials Available1. Stainless Steel: SS201, SS303, ... push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, yellow passivation, gold passivation, ...