... test equipments to ensure the QUALITY.DimensionAccording to customer's drawing.Materials Available1. Stainless Steel: SS201, SS303, ... ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel ... between Europe and China. small stamping part , stainless steel stamping, aluminium stamping, brass stamping