Shanghai SGR Heavy Industry Machinery Co., Ltd. Speed Reducer, Gearbox, Planetary Gearbox manufacturers / suppliers, offering GF Series Helical Geared Motor, MB Series Varable Speed Set, RV. MB Series Worm Gear Reducer and so on.

Shanghai SGR Heavy Industry Machinery Co., Ltd., founded in 1996, has accumulated rich original designing and manufacturing experience in gear transmission for nearly ten years. Long been recognized as a pioneer among patent reducer manufacturer, "SGR" reducer now enjoys a great popularity home and aboard.