Shanghai SGR Heavy Industry Machinery Co., Ltd. (originally Shanghai Great Wall Reducer Co., Ltd.) has accumulated rich original designing and manufacturing experience after being founded in 1996. It is a member of the National Speed Reducer & Variator Industry Association and long recognized as a pioneer of patent reducer manufacturers. SGR brand reducers enjoy a great popularity inland and abroad.

SGR produces planetary gear units, planar double-enveloping worm gear speed reducers (cone worm gear reducer), helical-bevel gear motors, worm gear reducers, helical-worm gear motors, helical gear motors and many other types of gear units. SGR gear motors and gear units have given satisfactory performance in different industrial applications, including metallurgy, mineral, architecture, shipbuilding, petroleum combination, aviation space-flight, lift routing, textile mechanic, cement, pharmaceuticals, pumps, general mechanic and other areas.

With the advantage of high quality and competitive pricing, SGR gear motors and gear units are widely used in the domestic market and have been exported to Southeast Asia, Middle Asia, North America and European countries.

Armored with an excellent testing program, SGR keeps up with the most advanced technology in the world. They have already acquired ISO9001:2000 certification and a patent on SGR branded reducers. Meanwhile, they are working toward acquiring ISO9001:2008 certification issued by DNV.

SGR has adopted advanced CAD and CIMS in design and manufacturing, which helps their engineers develop 3 - 5 series of new efficient products each year. You will always be warmly welcomed and understood by SGR's well trained service department.

If you are interested in SGR products or want further information, please feel free to contact them.