... and TS16949 certificated factory Detailed Product Description silicone rubber wirding thread tool with high quality rubber for automotive, ISO9001 and ... NAK80, P20, 4140, S50C4. We have 15years experience in making rubber moulds, especially for rubber molds of electronic rubber parts ... before ship the mold to customer.6. We are currently making molds for Japan, Italy, UK, USA, Canada, South Asia ...