MAANSHAN TONGLI SLEWING RING CO.,LTD.
MAANSHAN TONGLI SLEWING RING CO.,LTD. designs, develops, and manufactures a full range of slewing rings, including large-diameter solutions up to 4,000 mm.
NO.28,HONGQI SOUTH ROAD,MAANSHAN ECONOMIC & TECHNOLOGICAL DEVELOPMENT ZONE,ANHUI,P.R.OF CHINA.
About MAANSHAN TONGLI SLEWING RING CO.,LTD.
MAANSHAN TONGLI SLEWING RING CO.,LTD. is a specialized manufacturer focused on the design, development, and production of slewing rings. Built on a culture of professionalism and commitment, the company aims to deliver customer satisfaction through solid engineering capability, consistent product quality, and responsive service.
Tongli produces a wide range of slewing ring sizes and internal structures, supporting diverse OEM and replacement requirements. The company reports annual capacity of 60,000 slewing rings and the ability to manufacture large-diameter rings up to 4,000 mm.
Its products are widely applied across equipment such as excavators, mobile cranes, tower cranes, rail cranes, water treatment equipment, and machine tools. With a strong international presence, a significant share of output is exported to Europe, the Americas, and Asia, serving both end users and distributors with broader replacement options.
Core Business
Products
Slewing bearingsSlewing ringsSlewing vertical (vertical slewing)Tilting bearingsSlewing drives
Capabilities
End-to-End Slewing Ring Manufacturing
Provides design, development, and manufacturing of slewing rings across a broad range of sizes and internal structures, supporting both OEM supply and replacement needs.
Production
- Annual Manufacturing Capacity
- 60,000 pieces/year
- Maximum Ring Diameter
- 4,000 mm
Product Range
- Available Sizes & Internal Structures
- 2,000 types
Markets
- Export Share
- 70 %
Export Destinations
| Region | Share |
|---|---|
| Europe | 40 % |
| America | 15 % |
| Asia | 15 % |
Applications
Typical Equipment Served
- Excavators
- Mobile cranes
- Tower cranes
- Rail cranes
- Water treatment equipment
- Machine tools
Technology
- Rated Static Capacity per Kilogram
- 20 kN/kg
Foundational Research for Heavy-Duty Performance
Conducts in-depth research into slewing bearing fundamentals and identifies seven parameters influencing ball-type slewing bearing capacity: raceway surface hardness, hardened layer depth, substrate hardness, clearance, double-raceway clearance difference, curvature ratio, and contact angle.
Manufacturing Systems
Key Process Systems
- Raceway precision finishing system
- Raceway hardening system
- Overall hardening system
- Cleaning system
- Automatic assembly machine
Company Values
Professionalism and Commitment
Driven by the belief that professionalism and commitment lead to success, with a focus on superior technology, excellent product quality, and dependable service.
Brand & Presence
- Market Recognition
- Well-known national brand with products distributed globally.
Contact Information
- Address
- NO.28,HONGQI SOUTH ROAD,MAANSHAN ECONOMIC & TECHNOLOGICAL DEVELOPMENT ZONE,ANHUI,P.R.OF CHINA.
- Phone
- +86 0555 3255 555
Interested in Working With This Factory?
Send an enquiry to learn more about their capabilities and request custom quotes.