Manufacturer/Factory & Trading Company
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ISO9001:2008, ISO14001:2004, OHSAS18000:2001
Tongli Slewing Ring Co., Ltd is a specialized slewing ring manufacturer, concentrating in designing, developing and manufacturing slewing rings for 31 years. It's headquartered in Maanshan, China, near Shanghai. With deep rooted company culture that ' Professionalism and commitment lead to success', Tongli strives to offer customer satisfaction with superb technology, reliable product quality and excellent service. As a leading company in China's slewing ring industry, Tongli has an annual production capacity of 100, 000 pieces, up to 4M in diameter, covers an area of 93 000 M2, plant area of 43 000 M2, technical team of 26 engineers. Tongli is a high-tech company with strong research and development capacity delivered by our own Institute of Slewing Ring Research. With recent patent achievement of Elliptical Raceway Slewing Ring, Gear Hardness Gradient Slewing Ring and Levelness Adjustable Slewing Ring, Tongli become strategic partner of HITACHI, AICHI, BAUER, XCMG, LIUGONG. Group, and etc.