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

We produce  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 domain.

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

Armored with excellent testing program , SGR company is always keeping up with the most advanced technology in the world. We have already acquired ISO9001:2000 certificate and a patent on SGR branded reducers. Meanwhile, we are acquiring ISO9001:2008 certificate issued by DNV.

We have adopted advanced CAD and CIMS in design & manufacture, which help our engineers develop  3 - 5 series of new efficient products each year. All staff in sales & service department are well trained termly, thus you will be always warmly welcomed and understood by our company.

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