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About Us

Jianjia Heavy Industry focuses on the research and development, leasing, and aftermarket services of construction machinery. Its core products include small and medium-sized excavators, loaders, and specialized equipment for tunnel construction. We reduce equipment maintenance complexity through modular design and provide a flexible cooperation model of "renting instead of selling" to help customers cope with schedule fluctuations and financial pressures.
The company has provided equipment support for road, water conservancy, and municipal projects in 12 provinces in China, with an average fault free working time of equipment exceeding the industry standard by 22%.

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New Products

Original Komatsu Used PC45mr-2 PC45 Second Hand Excavator with High Quality

Original Komatsu Used PC45mr-2 PC45 Second Hand Excavator with High Quality

Factory Sale 2000kg Small Digger Miniexcavadora/Excavadora/Mini Excavator

Factory Sale 2000kg Small Digger Miniexcavadora/Excavadora/Mini Excavator

1 Ton Mini Digger Shovel

1 Ton Mini Digger Shovel

Used Good Quality/80% New/Cat 312bcat 320d/320c/325c/330c Crawler Excavator Excavadora De Cadenas Usada De Buena Calidad / 80% Nuevo

Used Good Quality/80% New/Cat 312bcat 320d/320c/325c/330c Crawler Excavator Excavadora De Cadenas Usada De Buena Calidad / 80% Nuevo

Factory Supply Concrete Batching Plant with Higher Accuracy

Factory Supply Concrete Batching Plant with Higher Accuracy

Used Wonderful Working Condition Japan 35 Ton Crawler Excavator Kobelco Sk350LC-8 Digger for Sale

Used Wonderful Working Condition Japan 35 Ton Crawler Excavator Kobelco Sk350LC-8 Digger for Sale

6 Inches Hollow Block Making Machine in Jamaica Qt4-24 Concrete Pavement Brick Machine

6 Inches Hollow Block Making Machine in Jamaica Qt4-24 Concrete Pavement Brick Machine

Qt8-15 Automatic Paver Block Machine for Road Pavement

Qt8-15 Automatic Paver Block Machine for Road Pavement

News

  • How Can a Long Reach Excavator Arm for CAT 320 Expand Your Project Capabilities?
  • Why Is an Air Cooled Hydraulic Ceramic Piston Pump For Filter Press Essential for Efficient Sludge Dewatering?
  • How Do Carrying Training Idlers Improve Conveyor Belt Alignment and Operating Efficiency?
  • Can the 12 Ton Manual Hydraulic Pipe Bender Tool with 6 Dies Handle Stainless Steel Tubing
  • How Do You Properly Diagnose Refrigerant Issues in a Container Refrigeration Room Scroll Compressor
  • How Does Prefabricated Component Formwork Improve Production Accuracy and Construction Efficiency?
  • How Can a Plastic Lumber Making Machine Turn Waste Plastic into Valuable Building Materials?
  • Which Automatic Vertical Laminating Machine Meets Your Production Needs?

  • How Can a Long Reach Excavator Arm for CAT 320 Expand Your Project Capabilities?

    A Long Reach Excavator Arm for CAT 320 provides an extended working radius and greater excavation depth, helping operators complete specialized tasks with improved flexibility and efficiency. Designed for demanding construction environments, this attachment transforms the working capabilities of a CAT 320 excavator.

  • Why Is an Air Cooled Hydraulic Ceramic Piston Pump For Filter Press Essential for Efficient Sludge Dewatering?

    ​In industrial wastewater treatment and sludge dewatering, reliable slurry feeding is essential for maintaining filtration efficiency and reducing operational costs. An Air Cooled Hydraulic Ceramic Piston Pump For Filter Press provides a practical solution for handling abrasive sludge, delivering stable pressure, and supporting continuous filtration processes. By combining hydraulic driving technology, wear-resistant ceramic components, and an air cooling system, this pump helps industrial facilities improve equipment reliability and simplify daily maintenance.

  • How Do Carrying Training Idlers Improve Conveyor Belt Alignment and Operating Efficiency?

    Such misalignment may lead to material spillage, excessive belt edge wear, and unnecessary maintenance costs. Carrying Training Idlers provide an effective solution by helping guide the carrying belt section back toward its correct running position.

  • Can the 12 Ton Manual Hydraulic Pipe Bender Tool with 6 Dies Handle Stainless Steel Tubing

    Stainless steel tubing is one of the toughest materials a fabricator can bend, and choosing the right equipment makes all the difference. At LIFEDE, we build the 12 Ton Manual Hydraulic Pipe Bender Tool with 6 Dies specifically for workshops that need controlled force, repeatable results, and reliable die coverage across multiple pipe diameters. This guide breaks down exactly how the tool performs on stainless steel, where its limits lie, and how to get clean, wrinkle-free bends every time.

  • How Do You Properly Diagnose Refrigerant Issues in a Container Refrigeration Room Scroll Compressor

    Refrigerant faults are among the most frequent causes of performance loss in reefer containers, and knowing how to diagnose them accurately protects both cargo and equipment. A Container Refrigeration Room Scroll Compressor is a sealed, high-precision component, so diagnosis must rely on measured data rather than guesswork. Paulair service engineers follow a structured diagnostic sequence that combines pressure analysis, superheat evaluation, and electrical verification to isolate the true root cause before any repair is authorized.

  • How Does Prefabricated Component Formwork Improve Production Accuracy and Construction Efficiency?

    With the rapid development of modern construction, prefabricated concrete components have become an important part of efficient and sustainable building practices. From bridge structures and residential buildings to municipal infrastructure, prefabrication helps improve construction consistency, shorten project schedules, and reduce on-site labor requirements.

  • How Can a Plastic Lumber Making Machine Turn Waste Plastic into Valuable Building Materials?

    A Plastic Lumber Making Machine provides an efficient solution by transforming recycled plastic materials into solid boards, profiles, and posts for various industrial and outdoor applications. Unlike traditional wood processing, this technology helps reduce plastic waste while creating reusable products with consistent dimensions and reliable performance.

  • Which Automatic Vertical Laminating Machine Meets Your Production Needs?

    Discover which Automatic Vertical Laminating Machine suits your printing and packaging needs. Explore working principles, key features, applications, and buying tips from Feihua.

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