silicone seal approve Rohs standard non-toxic OEM orders are welcome 1.materal:silcone,EPDM,vitom,ect2.material ROHS approval3.Quality certificate:ISO9001:20004.Log print:according to you require5.warious designs and colors available6.Applications:Rubber/metal parts,medical parts,industrial parts,motorcycle parts,electronics parts 7.Packing:according to your requirement Oil seals