... machinery and any equipments5.Certification: GB/T19001-2000-ISO9001: 2008 standard and and SGS,ROHS,REACH,FDA6.Production Control:prouduced by ... priecise CNC machine7.Size tolerance: exactly upon your request or standard tolerance.8.Strong point: we have our own mold center ... diameter from :8 to 1,000mm.13. We promise the high quality but competitive price of Oil Seal,Rubber Oil Seal, O ...