1, Compound from world class suppliers, NBR, EPDM, VITON (FKM), HNBR, etc material and pantone code available, hardness from 40 to 90 Shore A;

2, pressed by mould vulcanization, diameter from 2mm to 50mm, full water polish for the nice surface.

3, RoHs/Reach certificate,

4, strict material traceability under ERP system.