According to the material points: ceramic bearings can be divided into zirconia ceramic bearings, silicon nitride ceramic bearings, ceramic composite bearings.
温州市隆旺电子塑胶有限公司 位于浙江省温州市龙湾区轻工业园区,建厂20多年来，一直专研于微型电机配件、精密冲压件加工。
At present, Chinas various industries commonly used in the production of valves for the metal valve, the use of metal valves have been a hundred years of history, during which although the structure and materials through the improvement, but by the metal material conditions, more and more unable to adapt High wear, strong corrosion and other harsh conditions