D7 track link assy 

Track Link Chain 

Dozer Track Chain

Lubricated Track link chain

Sealed Track Chain

We supply track chains for any type of crawler machine, from standard to special applications
such as conveyors, bucket wheel excavators, and subsea diamond dredgers.

All our chains are developed by our R&D department in cooperation with our Product Support Specialists who have built up significant expertise in all kind of applications and tirelessly test our products in close partnership with our customers. Innovative materials, new geometries and special heat treatments on all components (pins, bushings and links) guarantee maximum performance and longer wear life

Raw material: 

Our carbon steel and stainless steel are supplied by the big companies all over China, Such as Shanghai Baosteel,

Hangzhou Iron steel etc.


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Company Profile

Founded in 2008, Quanzhou Dingtai Engineering Machinery Co., Ltd. is located in Quanzhou city, Fujian province, near to Xiamen port with convenient transportation. Our company is a professional manufacturer and exporter of undercarriage parts for excavators and bulldozers in China.

Our main products include track roller, top roller, idler, sprocket, track shoe, track links, track group, track bolt with nut, bucket, bucket link, teeth, and cylinder ect. These parts are applied for Caterpillar, Komatsu, Hitachi, Kato, Daewoo, Hyundai, Sumitomo, Samsung, Kobelco, and Mitsubishi. With more than 12 years' development, our company have all kinds of production lines, professional technicians and skillful workers, making sure our products with high quality and competitive price. We passed the certification of ISO9001-2000, quality management procedures are conducted in accordance with international standards.

Now all our products are exported to Southeast Asia, the Middle East, Europe, North and South America, Australia, and Africa and so on. We are enhancing the market share. "Mutual benefit" is our promise and value. We'd like to supply you with high quality products and professional after-sales service. We sincerely welcome you to join us for mutual development and a prosperous future!

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