Professional production and sales of excavator and bulldozer chassis parts.
Quality And Service First

Quanzhou Doqi Machinery Co., Ltd.

WE SPECIALIZE IN PROVIDING UNDERCARRIAGE SPARE PARTS FOR EXCAVATOR AND BULLDOZER
Quanzhou Doqi Machinery Co., Ltd. is located in Quanzhou City, Fujian Province, which is one of the most developed regions of China Machinery Manufacturing. Mainly provides undercarriage replacement parts such as track rollers, carrier rollers, sprockets, idler, track link assy, bucket teeth, segments, bushings pins, bolts& Nuts, support arm, connecting rod, muffler, spring, track cylinder and the associated parts for excavators, bulldozers and other track earthmovers.
 
Whatever which model of excavator parts you need, we totally could help you. Our business principle is: "quality and service first, high cost performance, continuous improvement and innovation to meet the customers requirement" and "zero defect, zero complaints" as the quality objective.
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We welcome all the friends from home and abroad to create the brilliant.
 

WHY CHOOSE US

Highest Quality

Our reputation for exceeding the highest quality standards in precision parts machining.

7*24 Hours Service

Have an excellent after-sales service team to ensure that the first time to solve customer after-sales problems.

Reasonable Price

More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.

Excellent Team

We have a strong professional designers and technicians to provide technical assistance.

NEW PRODUCTS

LATEST NEWS

Market Demand for 20-Ton Excavator Undercarriage Parts

Conclusion: The market for 20-ton excavator undercarriage parts remains robust, fueled by continuous global infrastructure activity and a focus on operational efficiency. Suppliers who prioritize durability and value are best positioned for growth.

 

Maximizing Undercarriage Life in High-Abrasion Environments

Extending undercarriage life requires quality parts, protective technologies, consistent maintenance, and proper operation. This comprehensive approach significantly reduces your total cost of ownership in challenging working conditions.

2026 Undercarriage Parts Buyer’s Guide: OEM Vs. Aftermarket

Choosing the right undercarriage parts for your heavy equipment is critical to minimizing downtime, controlling costs, and maximizing machine lifespan. The debate between OEM (Original Equipment Manufacturer) parts and aftermarket alternatives is a long-standing one, with strong arguments on both sides. This guide breaks down the key differences to help you make an informed decision.

How To Choose The Right Excavator Track Chain for Different Terrains

Introduction
For any construction project, the excavator undercarriage is the foundation of productivity and stability. Among its components, the track chain is arguably the most critical, bearing the machine's entire weight and transmitting the power to move. Selecting the right track chain for the specific terrain is not a matter of cost alone; it's a strategic decision that directly impacts machine efficiency, operating costs, and safety. A mismatched track chain can lead to accelerated wear, increased fuel consumption, and unplanned downtime. This guide will help you navigate the key factors in choosing the perfect track chain to ensure your excavator operates at its peak, whether you're working in soft mud or hard rock.

Smart Idlers Revolution: IoT-Enabled Parts Reduce Downtime by 45% in Remote Sites

Conclusion
The data-driven, proactive approach enabled by smart idlers sets a new standard for efficiency in heavy industries. For operations in remote locations, this technology represents a fundamental shift toward significantly higher productivity and profitability. Companies embracing this revolution aren't just replacing components—they're upgrading their entire operational philosophy.

Quanzhou Doqi Machinery Co., Ltd.

Quanzhou Doqi Machinery Co., Ltd. is located in Quanzhou City, Fujian Province, which is one of the most developed regions of China Machinery Manufacturing .
 

PRODUCT CATEGORY

CONTACT US

   Jinhe Avenue, Binjiang Industrial Zone, Xiamei Town, Nan 'an, Quanzhou City, Quanzhou, Fujian, China
   +86-17759899959
   Info@doqi-machinery.com
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