Our company--Ningbo SM-Machinery Co.,Ltd, is specializing in manufacturing pneumatic and hydraulic components. Our main products are including solenoid valves, air filters, regulators, cylinders, gas springs, fittings, mufflers etc. We take the lead passing ISO9001 quality system ...

Our company is a special production enterprise of series pneumatic rock drills. For many years, we have been devoted to developing and manufacturing various tools suitable for tunneling in mines, roads or tunnels, as well drilling holes engineering the second-broken process excavating ...