... -end grinding process, why do grinding on the mud pump, the following reasons:1. Done grinding process on ... tiger rig, will do this process.2. A new CNC grinding machine which made in German is at ... if we do grinding process on the pump, the cost to be overlain the original cost of 20000-300000/ units ... G.W: 18.5KG mud pump,F-1000,New arrival! Hot selling precision, Honghua, Kunlun, Baoji, suitable