... pump, when running, performance is more stable, low noise, square parts have a long life save energy, in fact, grinding process ... , only, Baoji, tiger rig, will do this process.2. A new CNC grinding machine which made in German is at least ... (for square parts package):2000*500*350mm5. N.W: 17.5KG6. G.W: 18.5KG mud pump,F-1000,New arrival! Hot selling ...