China excavator spare parts Carrier Roller Manufacturer, Supplier, Factory

As a leading manufacturer of excavator undercarriage parts, Quanzhou Qiansheng Heavy Industry offers the premium Excavator Track Guide for Hitachi ZX200-3 8097015, forged from high-grade 50Mn steel with precise heat treatment. Designed for Hitachi ZX200-3 excavators, this track guide ensures accurate belt alignment, reduces wear, and delivers 30% longer service life than generic models. As a trusted supplier with 20+ years of experience, we provide OEM/ODM services, strict quality control, and global after-sales support for your heavy-duty projects.

As a direct manufacturer of excavator undercarriage parts, Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. supplies high-strength Track Roller for Doosan DH220 2270-1098 designed for heavy-duty mining, construction, and earthmoving applications. Built with forged alloy steel, precision heat treatment, and durable sealing systems, our track rollers deliver stable operation, extended service life, and reduced maintenance costs. We support OEM customization, factory-direct wholesale pricing, fast global delivery, and reliable after-sales service for distributors, contractors, and machinery repair companies worldwide.

As a professional undercarriage parts manufacturer, Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. supplies durable Idler for D8R 244-0879 solutions for mining, quarry, and heavy earthmoving applications. Built with reinforced alloy steel structure, deep heat treatment, and strict leak-proof sealing technology, our Qiansheng idler helps reduce unexpected downtime and improves track stability under severe working conditions. Factory-direct supply, OEM customization, and fast global delivery are available for distributors, contractors, and equipment fleet buyers.

At Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd., we manufacture the Track Adjuster Cylinder for Hitachi ZX200-3 9243267 for customers who demand stable track tension, longer undercarriage life, and lower downtime costs. Built with precision-honed seamless steel tubing, heavy-duty polyurethane seals, and anti-corrosion chrome-plated components, our grease cylinder delivers reliable sealing performance in mining, quarry, and heavy excavation conditions. Ideal for wholesalers, machinery dealers, repair workshops, and fleet owners seeking factory-direct purchasing with dependable OEM quality.

Sprocket for Cat D8T 278-2375 — Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. manufactures heavy-duty bulldozer sprockets using high-strength alloy steel and precision heat treatment technology to ensure superior wear resistance, stable power transmission, and extended service life. Designed for harsh mining and earthmoving conditions, this OEM-quality undercarriage part is ideal for global distributors, machinery repair companies, and wholesale buyers seeking factory-direct pricing, reliable quality, and fast shipment.

Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. manufactures Idler for Shantui SD16 16Y-40-03000 with strict ISO 9001 production control and real factory machining experience. Designed for heavy dozing environments, this front idler ensures stable track tension, reduced derailment risk, and extended undercarriage service life. Direct factory supply helps contractors, dealers, and equipment fleets reduce replacement cost while maintaining reliable field performance in mining and earthmoving operations.