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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

  • How to Pair a New Transmitter with an Electric Remote Control Tank Car After Losing the Original
  • Steel Mesh Welding Production Line Factory: Key Features for High-Quality Output
  • Which Bolted or Welded Design Works Better for a Rain Resistant Prefab Steel Frame Warehouse
  • How Does a Corrugated Fastener Making Machine Improve Fastener Production?
  • How Does a PVC Water Supply and Drainage Pipe Machine Improve Modern Pipe Production?
  • How Can a WPC Board Machine Improve Your Composite Board Production?
  • How Does a Hydraulic Vertical Baler Improve Waste Compression Efficiency?
  • How Does a PM VSD Oil Free Screw Blower Improve Industrial Airflow Efficiency?

  • How to Pair a New Transmitter with an Electric Remote Control Tank Car After Losing the Original

    Losing the original transmitter for your Electric remote control tank car can feel frustrating, but the pairing process is often simpler than most owners expect. Whether you own a hobby-grade model or a beginner-friendly unit like those from YIYING, most modern Electric remote control tank car systems use a 2.4GHz frequency protocol that allows for quick re-binding.

  • Steel Mesh Welding Production Line Factory: Key Features for High-Quality Output

    In steel mesh welding, the gap between average and top-tier output usually traces back to the production line itself. This piece breaks down the factory features that genuinely drive quality, from precise wire straightening and feeding to final mesh cutting. It explains why dimensional accuracy and material strength are now essential for demanding construction and infrastructure work, and how a well-engineered line turns complex welding steps into a smooth, repeatable process. Drawing on years of refinement at YI ZHOU TECHNOLOGY, the article highlights the practical signs of a high-performing welding mesh line and how those details directly shape your project's success. If you are evaluating suppliers or planning a purchase, these are the indicators worth understanding before you commit.

  • Which Bolted or Welded Design Works Better for a Rain Resistant Prefab Steel Frame Warehouse

    Selecting the optimal connection method for a Rain Resistant Prefab Steel Frame Warehouse is a critical engineering decision that directly impacts structural integrity, construction timelines, and long-term durability. For Newforge, a leader in prefabricated steel solutions, the choice between bolted and welded designs is not merely about preference—it is about delivering predictable performance in demanding environments where moisture and weather exposure are constant factors.

  • How Does a Corrugated Fastener Making Machine Improve Fastener Production?

    A reliable corrugated fastener production line must do more than simply form metal wire into a finished product. Manufacturers need stable forming accuracy, consistent dimensions, efficient material feeding, dependable cutting, low waste, straightforward maintenance, and enough flexibility to support different production requirements. A modern Corrugated Fastener Making Machine integrates multiple operations into a continuous manufacturing process, helping factories reduce manual handling while improving production consistency. This article explains how the machine works, which production problems it addresses, what features deserve attention when selecting equipment, and how manufacturers can maintain stable performance over the long term. It also examines the practical advantages of working with YWC when building or upgrading a corrugated fastener production operation.

  • How Does a PVC Water Supply and Drainage Pipe Machine Improve Modern Pipe Production?

    ​PVC pipes have become an important solution for water supply, drainage, irrigation, construction, and municipal infrastructure because they offer corrosion resistance, dimensional stability, relatively low weight, and efficient installation. However, producing consistent PVC pipes requires more than a basic extruder. A complete PVC Water Supply and Drainage Pipe Machine must coordinate extrusion, sizing, cooling, hauling, cutting, and stacking to achieve stable dimensions and reliable production.

  • How Can a WPC Board Machine Improve Your Composite Board Production?

    ​Wood-plastic composite (WPC) boards are increasingly used for doors, wall panels, furniture boards, partitions, decking, and other construction applications because they combine the visual appeal of wood with the moisture resistance and durability of plastic. However, producing boards with stable thickness, uniform density, good surface quality, and consistent output requires more than simply mixing wood powder and plastic. A professionally designed WPC Board Machine integrates feeding, mixing, extrusion, molding, calibration, cooling, pulling, cutting, and stacking into an efficient production process.

  • How Does a Hydraulic Vertical Baler Improve Waste Compression Efficiency?

    A Hydraulic Vertical Baler provides a practical way to reduce the volume of recyclable waste, improve storage efficiency, simplify material handling, and lower transportation costs. By using hydraulic pressure to compress loose materials into dense, manageable bales, this type of equipment can help recycling centers, warehouses, manufacturing facilities, logistics operations, and commercial waste-processing sites make better use of limited floor space. This guide explains how a Hydraulic Vertical Baler works, which materials it can process, how to select the right configuration, what operating factors affect performance, and how ECOHYDRAULIC approaches industrial baling solutions.

  • How Does a PM VSD Oil Free Screw Blower Improve Industrial Airflow Efficiency?

    A PM VSD Oil Free Screw Blower combines permanent magnet motor technology, variable speed drive control, and oil-free screw compression to provide clean, stable, and energy-efficient low-pressure airflow. For facilities such as wastewater treatment plants, cement factories, pneumatic conveying systems, and textile mills, selecting the right blower can directly affect energy consumption, air quality, equipment reliability, and operating costs. This article explains how this blower technology works, where it fits best, what advantages it can provide, and what engineers should evaluate before replacing conventional blower equipment.

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