a.small but useful b.used for car or motor c.matalic parts d.samples for free zinc die casting mouldWe are professional plastic mould and product factory in Shanghai, can design and make various zinc die casting mould as client requirement, please contact me to talk about the business. .Our production processing is as below: ItemDescriptionMould material45#, 50#, P20, H13, 718, 1730, 2738, NAK80, ...