Maanshan Tongli Slewing Ring Co., Ltd.

Maanshan Tongli Slewing Ring Co., Ltd. is a professional slewing ring manufacturer, capable of designing, developing and manufacturing all types of slewing rings. With deeply rooted company's culture of 'professionalism and commitment lead to successes', Tongli strives to meet customer satisfaction with superior technology, excellent product quality and superb service.

Till 2008, Tongli has boasted a manufacturing capacity of making 60,000 pieces of slewing rings each year, up to 4,000mm in diameter for different structures. Our products cover 2,000 different sizes and internal structures. With batches of products exported to Europe, America and Asia. Tongli Slewing Ring is a well known national brand all over the world.

Tongli slewing rings are widely used in all types of excavators, mobile cranes, tower cranes, rail cranes, water treatment equipment and machine tools. The replacement slewing rings for different models of excavators, wind mills, solar systems and mobile cranes provide end users and distributors with more options.

We believe that innovations create superior products, science enhances our brand. Tongli is a high-technology company, with a strong research and development capacity delivered by our own Institute of Slewing Ring Research. Four of the leading experts in the R&D have been involved in drafting the national slewing ring standards (JB2300-78 and JJ36) since 1970s and 1980s, all having over 25 years of experience in slewing ring designing and manufacturing. The Institute has delivered numerous innovations and product improvements, generated a number of patents and other intellectual properties.

Advanced equipment, superb technics, perfect measurement and vigorous team has successfully formed our commitment to be a "top-rank in China, well-known to World" brand.