... -ring box 1. High quality. 2. For automobile,excavator,forklifttruck,the diesel. 3. Small order welcomed. 4. Low price. Details of o-ring ... to 90 shore A, tolerance can be ±5 shore A, for some special products, we can reach ±3 shore A tolerance ... appliance, mechanical, industrial, construction, household, medical and other fields. 7. Packing: PE bags inside, strong carton and PE film paper packed ...