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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

  • Is Self-Adhesive Waterproof Mechanical Equipment Truly Reliable for Underwater or High-Humidity Applications
  • How Does Hydraulic Cable Puller Improve Cable Installation Efficiency?
  • What Makes Paper Cup Machines Essential for Modern Packaging Industry?
  • How Does Diamond Wire Saw Machinery Improve Precision Cutting in Modern Industries?
  • Why Does My Hot Runner Heating Tube Powder Replenishment Machine Cause Uneven Filling
  • What Is the Best Shredding and Recycling Production Line for Mixed Solid Waste
  • Why Choose Single Layer Blown Film Machine for Modern Packaging Production?
  • How Does a Fiber Laser Plate Cutting Machine Improve Modern Metal Fabrication Efficiency?

  • Is Self-Adhesive Waterproof Mechanical Equipment Truly Reliable for Underwater or High-Humidity Applications

    When engineers specify protective solutions for submerged pumps, offshore sensors, or high-humidity HVAC systems, the central question remains: can adhesive-based sealing truly match the durability of mechanical fastening? Self-Adhesive Waterproof Mechanical Equipment has evolved significantly over the past decade, yet skepticism persists. At Haiming, we have tested thousands of assemblies in simulated abyssal and tropical-rainforest conditions. This blog delivers empirical data, failure-mode analysis, and field performance metrics to answer that question definitively.

  • How Does Hydraulic Cable Puller Improve Cable Installation Efficiency?

    A Hydraulic Cable Puller is a powerful and efficient solution designed for modern cable installation projects where high tension, long-distance pulling, and safety are critical concerns. This article explores how hydraulic cable pullers work, the challenges they solve, their industrial applications, and how to choose and maintain the right equipment. Whether used in power transmission, telecommunications, or utility construction, hydraulic cable pullers significantly reduce manual labor while improving precision and operational safety.

  • What Makes Paper Cup Machines Essential for Modern Packaging Industry?

    ​In today's fast-growing food and beverage packaging sector, sustainability and efficiency have become key priorities for manufacturers. Among various automated production solutions, Paper Cup Machines play a critical role in transforming raw paper materials into high-quality disposable cups used worldwide in cafés, fast-food chains, events, and takeaway services. As environmental regulations tighten and consumer demand shifts toward eco-friendly products, businesses increasingly rely on advanced machinery to stay competitive and scalable.

  • How Does Diamond Wire Saw Machinery Improve Precision Cutting in Modern Industries?

    Diamond Wire Saw Machinery has become a critical solution in industries requiring ultra-precise cutting of hard materials such as stone, concrete, ceramics, and advanced composites. Traditional cutting methods often struggle with material waste, thermal damage, and inconsistent finishing quality. This article explains how diamond wire saw systems work, their core advantages, operational structure, industry applications, and how businesses can select the right configuration to improve productivity while reducing operational costs. It also provides a practical guide, comparison tables, and frequently asked questions to help buyers make informed decisions.

  • Why Does My Hot Runner Heating Tube Powder Replenishment Machine Cause Uneven Filling

    If you operate an injection molding facility, you have likely faced this frustration: your Hot Runner Heating Tube Powder Replenishment Machine delivers inconsistent fill densities, leading to premature heater failure, temperature fluctuations, and scrapped batches. At Feihong, we have analyzed thousands of service reports and found that uneven filling is rarely a single-component issue. Instead, it stems from a combination of material properties, machine settings, and maintenance habits. This blog breaks down the root causes, provides diagnostic tables, and offers actionable solutions—all while answering the most frequently asked questions about this critical equipment.

  • What Is the Best Shredding and Recycling Production Line for Mixed Solid Waste

    Selecting the optimal Shredding And Recycling Production Line for mixed solid waste (MSW) is one of the most critical decisions for waste management operators, material recovery facilities (MRFs), and industrial manufacturers. Mixed solid waste—comprising plastics, metals, wood, textiles, rubber, and organic contaminants—demands a system that balances throughput, particle size uniformity, contaminant tolerance, and energy efficiency.

  • Why Choose Single Layer Blown Film Machine for Modern Packaging Production?

    ​In today's rapidly evolving packaging industry, manufacturers are continuously searching for equipment that delivers efficiency, stability, and cost-effectiveness. The Single Layer Blown Film Machine has become one of the most widely adopted solutions for producing plastic films used in packaging, agriculture, industrial wrapping, and consumer goods. With its simple structure, stable output, and flexible application range, it plays a crucial role in modern extrusion systems.

  • How Does a Fiber Laser Plate Cutting Machine Improve Modern Metal Fabrication Efficiency?

    ​In today's fast-evolving manufacturing industry, precision, speed, and automation have become essential standards. Among the most transformative innovations is the Fiber Laser Plate Cutting Machine, a technology that has significantly reshaped how metal sheets and plates are processed. From automotive components to construction materials and industrial machinery parts, this equipment delivers unmatched cutting accuracy and production efficiency.

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