... box 1. High quality. 2. For automobile,excavator,forklifttruck,the diesel. 3. Small order welcomed. 4. Low price. Details of o-ring box ... 90 shore A, tolerance can be ±5 shore A, for some special products, we can reach ±3 shore A ... .5. Lead time: 1-2 weeks for production mold, and 25 days for complicated injection mold. Capability of our rubber ... the design based on your idea. O-Ring Box For Machinery