Our Advantages

  • Product Quality

    Product Quality

    We produce high quality products,with 2 years warranty.
  • Technology

    Technology

    Mechanized and automatical production lines ensure high efficiency.
  • Product Category

    Product Category

    Since 1990, we professionally provide wide range of products for your options.
  • Service

    Service

    If any inquiries, please do not hesitate to contact us. Our experts are always here for you 7x24hrs.

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

  • EXCAVATOR SPROCKET in the steel track undercarriage

    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...
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  • Knowledge of undercarriage parts for excavator

    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...
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  • Heat treatment on Idler Assy for crawler track undercarriage

    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...
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