Maanshan Tongli Slewing Ring Co., Ltd.
Maanshan Tongli Slewing Ring Co., Ltd.
🇨🇳 China, Anhui
2003101-200 peopleManufacturer/Trading CompanyMaanshan Tongli Slewing Ring Co., Ltd. is a specialized high-technology manufacturer and trading company headquartered in Maanshan, China. Established in 2003 and building on over 30 years of technical expertise, the company has grown into a leading provider of slewing rings, bearings, and drives. Operating from a 93,000-square-meter facility with a dedicated Institute of Slewing Ring Research, the company maintains an annual production capacity of up to 100,000 units, with capabilities to manufacture rings reaching 4,000mm in diameter across 2,000 different sizes and structures.
The company's extensive product portfolio includes single-row and double-row ball slewing bearings, crossed roller bearings, worm-type slewing drives, and specialized components such as pinion shafts. These products are critical for diverse applications in construction machinery (excavators, mobile and tower cranes), renewable energy (wind and solar), water treatment, and medical equipment. Tongli holds several innovative patents, including elliptical raceway and gear hardness gradient technologies, and is a strategic partner to major global brands such as Hitachi, Aichi, Bauer, XCMG, and LiuGong.
With a workforce of approximately 200 employees and a strong R&D team of 26 engineers, the company maintains rigorous quality standards with ISO 9001, ISO 14001, and PAS 28000 certifications. Approximately 70% of its business is export-oriented, serving international markets across Europe, North America, and Asia. Tongli offers comprehensive OEM and ODM services, providing both standard components and custom-engineered solutions for heavy-duty industrial applications.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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Light Series European Standard /Cross-Roller/ Slewing Ring/No Gear Slewing
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Light Series European Standard /Cross-Roller/ Slewing Ring/No Gear Slewing, Find Details and Price about Slewing Ring Slewing Bearing from Light Series European Standard /Cross-Roller/ Slewing Ring/No Gear Slewing - MAANSHAN TONGLI SLEWING RING CO., LTD.$200
Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 31.75mm/1.25inch for Slewing Ring /Bearing /Swing Bearing with ISO9001-2000
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Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 31.75mm/1.25inch for Slewing Ring /Bearing /Swing Bearing with ISO9001-2000, Find Details and Price about Steel Ball Roll Ball from Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 31.75mm/1.25inch for Slewing Ring /Bearing /Swing Bearing with ISO9001-2000 - MAANSHAN TONGLI SLEWING RING CO., LTD.$10
Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 28.575mm/1.125inch for Slewing Ring /Bearing /Swing Bearing with ISO9001-2000
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Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 28.575mm/1.125inch for Slewing Ring /Bearing /Swing Bearing with ISO9001-2000, Find Details and Price about Steel Ball Roll Ball from Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 28.575mm/1.125inch for Slewing Ring /Bearing /Swing Bearing with ISO9001-2000 - MAANSHAN TONGLI SLEWING RING CO., LTD.$10
Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 34.925mm /1.375inch for Slide Rail with ISO9001-2000
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Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 34.925mm /1.375inch for Slide Rail with ISO9001-2000, Find Details and Price about Steel Ball Roll Ball from Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 34.925mm /1.375inch for Slide Rail with ISO9001-2000 - MAANSHAN TONGLI SLEWING RING CO., LTD.$10
Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 12.7mm/0.5inch for Grinding Medium with ISO9001-2000
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Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 12.7mm/0.5inch for Grinding Medium with ISO9001-2000, Find Details and Price about Steel Ball Roll Ball from Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 12.7mm/0.5inch for Grinding Medium with ISO9001-2000 - MAANSHAN TONGLI SLEWING RING CO., LTD.$10
Light Series European Standard /L-Shaped/Inner Gear/ Sing-Row Ball Slewing Ring/Slewing
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Light Series European Standard /L-Shaped/Inner Gear/ Sing-Row Ball Slewing Ring/Slewing, Find Details and Price about Slewing Ring Slewing Bearing from Light Series European Standard /L-Shaped/Inner Gear/ Sing-Row Ball Slewing Ring/Slewing - MAANSHAN TONGLI SLEWING RING CO., LTD.$200
Light Series European Standard /L-Shaped/ Inner Gear/ Sing-Row Ball Slewing Ring/Slewing
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Light Series European Standard /L-Shaped/ Inner Gear/ Sing-Row Ball Slewing Ring/Slewing, Find Details and Price about Slewing Ring Slewing Bearing from Light Series European Standard /L-Shaped/ Inner Gear/ Sing-Row Ball Slewing Ring/Slewing - MAANSHAN TONGLI SLEWING RING CO., LTD.$200
Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 14.2875mm/0.5262inch for Cars with ISO9001-2000
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Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 14.2875mm/0.5262inch for Cars with ISO9001-2000, Find Details and Price about Steel Ball Roll Ball from Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 14.2875mm/0.5262inch for Cars with ISO9001-2000 - MAANSHAN TONGLI SLEWING RING CO., LTD.$10
Light Series European Standard /Cross-Roller Slewing Ring/No Gear Slewing
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Light Series European Standard /Cross-Roller Slewing Ring/No Gear Slewing, Find Details and Price about Slewing Ring Slewing Bearing from Light Series European Standard /Cross-Roller Slewing Ring/No Gear Slewing - MAANSHAN TONGLI SLEWING RING CO., LTD.$200
Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 38.1mm/1.5inch for Cars with ISO9001-2000
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Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 38.1mm/1.5inch for Cars with ISO9001-2000, Find Details and Price about Steel Ball Roll Ball from Gcr15 Steel Ball Bearing /Steel Ball /Roll Ball with 38.1mm/1.5inch for Cars with ISO9001-2000 - MAANSHAN TONGLI SLEWING RING CO., LTD.$10
Light Series European Standard /Cross-Roller/ Slewing Ring/No Gear Slewing
0·0 reviews
Light Series European Standard /Cross-Roller/ Slewing Ring/No Gear Slewing, Find Details and Price about Slewing Ring Slewing Bearing from Light Series European Standard /Cross-Roller/ Slewing Ring/No Gear Slewing - MAANSHAN TONGLI SLEWING RING CO., LTD.$200
Light Series European Standard /Cross-Roller Slewing Ring/Inner Gear Slewing
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Light Series European Standard /Cross-Roller Slewing Ring/Inner Gear Slewing, Find Details and Price about Slewing Ring Slewing Bearing from Light Series European Standard /Cross-Roller Slewing Ring/Inner Gear Slewing - MAANSHAN TONGLI SLEWING RING CO., LTD.$200Customers
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ISO 90011
ISO 140011
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Maanshan Liyuan Industry Co., Ltd.
🇨🇳 China
2006501-1000 peopleManufacturerHigh capacity factory
OEM manufacturer
Product customization
High-tech enterprise
Key customer
SANY HEAVY INDUSTRY
Key market
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Description
Maanshan Liyuan Industry Co., Ltd. is a leading manufacturer and integrated professional manufacturer of slewing bearings, slewing drives, forging rings, castings, and flanges based in Ma'anshan, China. Established in 2006, the company operates with 501-1000 employees and has a factory covering over 20,000 m2, including a 12,000 m2 plant construction area and a larger factory site of 250,000 to 500,000 sqm in Dangtu Economic Development Zone. They specialize in a full industrial chain from raw materials to final production, offering OEM and contract manufacturing services. Their product range includes slewing bearings, slewing drives, ring forgings (200mm-5000mm diameter), gears, castings, and forged flanges. These components are widely applied in excavators, tower cranes, aerial working platforms, port cranes, construction equipment, mining equipment, wind turbine applications, heavy mobile cranes, and solar trackers. Maanshan Liyuan Industry Co., Ltd. holds ISO 9001 and ISO 14001 certifications and supplies products to prominent domestic and international manufacturers such as Sany Heavy Industry, XCMG Group, and Zoomlion. The company exports to global markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, Eastern Asia, and Western Europe.
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Ma'an Shan Huanqiu Slewing Ring Co.,Ltd
🇨🇳 China
201111-50 peopleManufacturerIndustry association member
Description
Ma'an Shan Huanqiu Slewing Ring Co.,Ltd is a manufacturer of slewing rings and slewing ring bearings, located in Ma'anshan, China. Established in 2011, the company employs 11 to 50 people and specializes in the production of single-row and double-row ball slewing rings. Utilizing modern management tools and CNC equipment, they have a factory with a production capacity of 20,000 units annually, offering over 100 types of slewing rings with diameters less than 2.5 meters. Their products are primarily used in heavy machinery such as excavators, tower cranes, truck cranes, and crawler cranes, as well as in construction, engineering, port, metallurgical, light industry, and wind machinery. Ma'an Shan Huanqiu Slewing Ring Co.,Ltd is ISO 9001 certified and is recognized as one of the five makers of the machinery industry standard (JB/T 10838-2008).
Slewing Ring Bearing (DH220-3)
Slewing Ring (011.30.560)
Slewing Ring
Slewing Ring (DH220-3(QND1212.28))
