OEM manufacture factory Competitive price High quality products rubber to metal parts Features:1 Material: NBR EPDM ... resistance, high and low pressure resistance, oil resistance, nontoxic, safety and health.3 Colors: All4 Sizes: 600mm (max)5 Quality certification: ISO ... manufacture specially oil seal ,O-ring ,rubber panel ,rubber seal product made of Si-F special materials.Our Machine: Welcome to ...