... , only, Baoji, tiger rig, will do this process.2. A new CNC grinding machine which made in German is at least ... / units.That is why some pumps are so cheaper, but no customer buy, some pumps are expensive, still a lot of ... : 17.5KG6. G.W: 18.5KG mud pump,F-1000,New arrival! Hot selling precision, Honghua, Kunlun, Baoji, suitable