About Haiyi Machinery
Quanzhou-based undercarriage parts manufacturing partner for global distributors, dealers, and fleet service companies.
Built in Quanzhou, Serving the Global Market
Quanzhou Haiyi Machinery Co., Ltd. is located in Nan'an, Quanzhou, Fujian, one of the core industrial regions on the Maritime Silk Road. With years of focus on crawler undercarriage systems, we provide stable OEM-grade products for excavator and dozer aftermarket channels.
Our location offers efficient logistics through nearby highways, ports, and Jinjiang Airport, helping us support fast domestic distribution and overseas shipments. Haiyi supplies track rollers, idlers, sprockets, track chains, and track shoes for CAT, Komatsu, Hitachi, Doosan, Volvo, and more.
Our Manufacturing Workflow
Material Selection
Qualified steel and alloy materials are selected for each part category.
Forging / Casting
Components are formed through controlled forging or casting processes.
Heat Treatment
Hardness and wear resistance are improved with strict thermal control.
CNC Machining
Critical dimensions are finished to OEM tolerance standards.
Inspection
Each batch is checked for dimensions, hardness, and assembly fit.
Packing & Delivery
Export-ready packaging and scheduled shipment to global customers.
Our Development Path
Company Established
Haiyi started undercarriage parts production in Quanzhou, Fujian.
Export Expansion
Product shipments expanded to Southeast Asia and Middle East markets.
Capacity Upgrade
Added new machining and heat-treatment lines for higher output stability.
OEM Program Growth
Strengthened long-term cooperation with overseas distributors and wholesalers.
Product Portfolio Expansion
Expanded compatible model coverage across excavator and dozer brands.