1. High quality of auto rubber seals. 2. Material: silicone, nbr, epdm, etc. 3. Good sealing function. 4. good quality. 1. High quality of auto rubber seals. 2. Material: silicone, nbr, epdm, etc. 3. Good sealing function.4. High and low temperature resistance, weather resistance, high and low pressure resistance, oil resistance, non-toxic, Safety and Health, high quality & low price.5. ...