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Product Quality
We produce high quality products,with 2 years warranty. -
Technology
Mechanized and automatical production lines ensure high efficiency. -
Product Category
Since 1990, we professionally provide wide range of products for your options. -
Service
If any inquiries, please do not hesitate to contact us. Our experts are always here for you 7x24hrs.
Featured Products
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D65EX Bulldozer Idler Front Idler
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Triple Grouser Track Shoe
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Double Grouser Track Shoe
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Single Grouser Track Shoe
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Undercarriage Parts D6H D6R Track Chain For Cat...
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D4H D5M D5K D41 D5G Track Chain Link Section fo...
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D8R D8N Dozer Undercarriage Parts Bottom Roller...
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China Factory Supplied Excavator track group w...
Quanzhou Jinjia Machinery Co., Ltd. is a trading company belong to Quanzhou Hongda Machinery Co., Ltd.
HONGDA is established in 1990, which is located at Quanzhou, a well-known hometown of overseas Chinese, with long history, prosperous economy and nice environment. Fujian jinjia Machiery Co., Ltd is a a subsidiary of Hongda.
LATEST NEWS
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EXCAVATOR SPROCKET in the steel track undercarriage
EXCAVATOR SPROCKET in the steel track undercarriage 1. Introduction of excavator sprocket It plays the role of driving the crawler, is fixed on the traveling motor, and transmits the driving force of the traveling motor to the crawler through the gear struc...view more -
Knowledge of undercarriage parts for excavator
1 Overview: The four wheels in “four wheels and one belt” refer to: sprocket, idler, track roller and carrier roller. Belt refers to the track. They are directly related to the working performance and walking performance of the excavator, and it...view more -
Heat treatment on Idler Assy for crawler track undercarriage
When the idler assy is cooled, white cracks are often formed on the surface and thin sections. The white mouth structure is hard and brittle, with poor processing performance and easy to peel off. Therefore, annealing (or normalizing) must be used to elimin...view more
