... sizes:12mm, 16mm,20mm, 5/8'' or3/4'' 2, for high temperature rubber 3, ISO9001 WenZhou RiMi Seal Manufacture Co ... With the advanced specialized testing instruments. We control quality in each process and guarantee to provide the high quality sealing products1,a ... carbide.5, high volume use in low pressure, small diameter rotary shaft applications. Auto unitized seal for engine coolant pumps type 6A ...