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Fujian Jinjia Machinery delivers OEM-quality track rollers, carrier rollers, idlers, sprockets, track shoes, and track links with a 2-year warranty. Trusted by construction firms worldwide.
A trusted name in construction machinery parts since 1990, Jinjia is a trading subsidiary of Quanzhou Hongda Machinery Co., Ltd., based in Quanzhou, Fujian — a city renowned for its strong industrial heritage and global trade connections.
All our undercarriage components are built to last and backed by a comprehensive 2-year quality guarantee.
Mechanized and automatic production lines ensure consistent quality and high-efficiency manufacturing.
Our technical experts are available around the clock to assist with inquiries, quotes, and technical support.
Explore our wide range of high-performance undercarriage components designed for durability and optimal performance in heavy machinery.
High-strength steel, precision bearings, sealed for dust resistance.
Heavy-duty design for D6, D7, D8 series bulldozers.
Ideal for rocky terrain and high-traction applications.
Precision-machined for CAT and Komatsu models.
Durable alloy steel with heat-treated pins and bushings.
Heavy-duty rubber-tired idler with sealed bearings.
Balanced traction and flotation for mixed terrain.
High-precision OEM replacement for escalator systems.
Every part undergoes strict quality control and is built to meet or exceed OEM standards.
Fully automated production lines ensure consistency, precision, and high output.
Exported to over 50 countries with reliable logistics and after-sales support.
Dedicated team focused on innovation, material testing, and performance optimization.
We use high-strength alloy steel with heat-treated shafts and precision-sealed bearings for maximum durability.
Yes, we support OEM/ODM services and can manufacture parts based on your drawings or samples.
We supply parts for Komatsu, Caterpillar, Doosan, Hitachi, and other major brands including D6, D7, D8, D155, and PC series.
Typically 7–15 days after order confirmation, depending on destination and order size.
We accept T/T, L/C, and Western Union. Terms can be negotiated for long-term partners.
For inquiries about our products or pricelist, please visit our official website. Our experts are available 24/7 to assist you.
0086-13799894688
0086-(0)595-22426855
0086-(0)595-22736621
+86 13799894688
+86 15105964703
No.20 Shangtang Changtai Shudou Licheng, Quanzhou, Fujian, China
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