... No tooling charge 2small quantity is accepted 3SGS Certification non-standard washer SizeAS-568 J.P.G.V BS1516 EKM.And ... sizeMaterialNBR,VITON,EPDM,SILICONE,HNBR,etc.CertificationSGS,it is complied with ROHS standardPackinginner packing is plastic bag outer packing is ... quantity is accepted4,We have SGS Certification,it is complied with ROHS standard5,OEM orders are welcomedDelivery time15-20 working ...