SHANGRAO RUICHEN SEALING CO.,LTD1. Since 2006, focus on rubber seals, especially for auto parts2. Certificates: ISO9001, IATF16949, ISO14001, ISO45001,ISO 134853. Two factories, more than 18000㎡,clean room 600㎡, with 300 workers.4. Molds > 10000 sets, especially o rings, about 5000 sets.5.O-ring series covers American standard (AS568), Japanese standard (JIS), nationalstandard(GB), and produces a large number of customized non-standard parts.6. Material: NBR, FKM, SIL, EPDM, CR, NR, PU, HNBR, ...