Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd.
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China excavator undercarriage parts Manufacturer, Supplier, Factory

We follow our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create much more worth for our buyers with our abundant resources, highly developed machinery, experienced workers and great providers for excavator undercarriage parts, Carrier Roller China manufacturer, SK60 excavator Carrier Roller, Kobelco excavator replacement parts, excavator spare parts Carrier Roller, Our enterprise warmly welcome close friends from everywhere in the environment to go to, examine and negotiate organization.
excavator undercarriage parts, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Depending on this, our products and solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia.

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  • Excavator Track Roller EC55

    Excavator Track Roller EC55

    FAJX PARTS Volvo EC55 bottom track roller features forged steel technology and precise heat treatment for municipal, landscaping and river regulation projects. As a 20+ year factory, we have stable production capacity, sufficient in-stock supply, and export to 58 countries. Strict full-process QC ensures OEM-equivalent durability. Support small-batch customization, fast delivery for global dealers and repair shops.
  • Sprocket for Volvo EC210B 14532385

    Sprocket for Volvo EC210B 14532385

    Sprocket for Volvo EC210B 14532385 supplied by Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. is built for OEM-accurate fit and stable field performance. Made from high-strength 35MnB/50Mn alloy steel with precision heat treatment, it ensures strong engagement with track chain and reduced wear loss. Each unit is tested by UT/MT inspection to confirm internal quality. Factory-direct supply helps contractors and dealers reduce cost, shorten delivery time, and maintain reliable excavator operation in mining and construction sites worldwide.
  • Track Group for Cat 320D 391-3970

    Track Group for Cat 320D 391-3970

    Quanzhou Qiansheng Heavy Industry directly supplies Track Group for Cat 320D 391-3970. We are a source factory specializing in the manufacture of excavator travel mechanisms for 20 years. Made of 40MnB alloy steel, forged and high-frequency quenched, with a hardness of HRC 52-58. We offer OEM/ODM customization services and support sample testing. Purchase now and enjoy B2B wholesale prices and fast worldwide shipping.
  • Excavator H-Link for Cat 320D 241-7325

    Excavator H-Link for Cat 320D 241-7325

    Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. supplies durable Excavator H-Link for Cat 320D 241-7325 designed for demanding excavation, mining, and earthmoving applications. Manufactured with high-strength steel, precision CNC machining, and reinforced welding technology, our H-link helps improve bucket stability, reduce pin wear, and maintain consistent breakout force. Ideal for wholesalers, machinery dealers, repair contractors, and fleet owners seeking reliable factory-direct replacement parts with stable quality and long service life.
  • Excavator Connecting Rod for Cat 320 087-5803

    Excavator Connecting Rod for Cat 320 087-5803

    As a leading manufacturer & supplier of excavator undercarriage parts, Quanzhou Qiansheng Heavy Industry offers the premium Excavator Connecting Rod for Cat 320 087-5803. Forged from high-strength alloy steel and heat-treated for maximum durability, this rod delivers precise fit, superior fatigue resistance and longer service life than generic alternatives. OEM quality, ISO 9001 & CE certified, direct from factory with competitive pricing and global fast delivery.
  • Idler for Shantui SD16 16Y-40-03000

    Idler for Shantui SD16 16Y-40-03000

    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.
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  • Reviews

  • Overseas Clients Visit Qiansheng Heavy Industry Factory for On-Site Inspection

    Recently, a group of overseas clients from Southeast Asia visited Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. to inspect our factory and production lines. The clients were particularly interested in our “Four Wheels and One Track” system, including track rollers, idlers, sprockets, and chains.

  • Causes of oil leakage of excavator carrier roller-PC500 Track Roller

    Oil leakage of track rollers is mostly caused by damaged sealing components, followed by issues from assembly, machining, operating conditions and lubricating oil. The interior of a track roller is filled with gear oil, which relies on floating oil seals (dual‑metal rings plus O‑rings) for rotary sealing. Oil seepage or dripping will occur once the seal fails.PC1250 Track Roller

  • Excavator Utilization Reflects Global Economic Growth

  • Advantages of One-Piece Forged Excavator Track Roller

    Our integrally forged track roller is manufactured from high-strength alloy steel via heavy-duty forging, outperforming conventional cast and welded assembled rollers greatly:

  • Qiansheng Heavy Industry Receives ISO 9001 Certification, Strengthening Global Trust

    Quanzhou Qiansheng Heavy Industry Machinery Co., Ltd. is proud to announce that our factory has recently obtained the ISO 9001 Quality Management System certification. This achievement reflects our continuous commitment to high-quality manufacturing, strict quality control, and professional management.

  • How Does a Track Bottom Roller Improve Excavator Undercarriage Performance?

    The track bottom roller is one of the most important components in an excavator undercarriage system. Although it works continuously under the machine, many operators only notice its importance when problems such as abnormal noise, track instability, excessive wear, or unexpected downtime occur. A high-quality track bottom roller supports the weight of the excavator, guides the track chain, reduces friction, and helps maintain smooth movement during heavy-duty operations.

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