... quality and reasonable price Certificate: Rohs / SGS approval water proof plug silicon seal1.Rubber materials: EPDM, NBR, NBR, CR, NR ... application condition of rubber material then design the formula according to clients` requirement.)Rubber compoundCan be UL, FDA, ROSH, ... .packagePE bags, carton, woodenPayment termsL/C, T/T, Western UnionSample timeprototype mold in 1 week; production mold in 2weeks ...