good product from good mould, good mould from our Haihui mould factory: base of Oil Cap Mold,cap base mould *Material: High quality steel or as per requst *All of parts are manufactured by CNC equipments. *Independent cooling system of each cavity to ensure the size consisteny. *surface finish--as per request. *Temperature-Control Box included. *Custom-Design Logo & trademark is available. *Long using life over 1 million times of injection cycle. *Standard interchangeable mold components.