... 16mm,20mm, 5/8'' or3/4'' 2, for high temperature rubber 3, ISO9001 WenZhou RiMi Seal ... pumps, industrial pumps, auto cooling-pumps and compressors. The products sell abroad and at home. Our production ... products, mould designing,lathing,stamping,molding,grinding and final assembly are all accomplished in ourselves ... diameter rotary shaft applications. Auto unitized seal for engine coolant pumps type 6A