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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 Does a Steel Pipe Shot Blasting Machine Improve Pipe Surface Quality and Production Efficiency?
  • How Long Does a Variable Frequency Screw Air Compressor Typically Last
  • How Does an Automatic Mixing Rubber System Improve Modern Rubber Production Efficiency?
  • What Is the Maximum Service Temperature of Nitride Bonded Silicon Carbide Bricks for Kiln Furniture Applications
  • How Does a Rotogravure Printing Machine Improve Printing Quality and Production Efficiency?
  • How Does a Washing Machine Clutch Improve Washing Performance and Reliability?
  • What Makes Large-Scale Bed Unit Processing Components Essential for Modern Industrial Machinery?
  • How Does a 10kW Single Phase Hybrid Inverter Improve Modern Energy Management?

  • How Does a Steel Pipe Shot Blasting Machine Improve Pipe Surface Quality and Production Efficiency?

    ​In modern steel processing industries, surface preparation has become a key factor affecting product quality, coating performance, and service life. Steel pipes used in oil and gas, construction, shipbuilding, chemical engineering, and infrastructure projects often require a clean and uniform surface before painting, galvanizing, or anti-corrosion treatment. A Steel Pipe Shot Blasting Machine provides an efficient solution by removing rust, oxide scale, welding slag, and surface impurities through high-speed abrasive impact, creating an ideal surface condition for further processing.

  • How Long Does a Variable Frequency Screw Air Compressor Typically Last

    When investing in industrial equipment, the first question that comes to mind is always about longevity. For plant managers and procurement officers, the Variable Frequency Screw Air Compressor represents a significant capital expenditure. Understanding its operational lifespan is not just about cost accounting; it is about strategic planning for your entire production line. At Yuzhen, we have observed that with proper care, these sophisticated machines can outperform traditional fixed-speed units by years, offering a return on investment that extends well beyond the initial purchase price.

  • How Does an Automatic Mixing Rubber System Improve Modern Rubber Production Efficiency?

    ​In the rapidly developing rubber and tire manufacturing industry, production efficiency, mixing accuracy, and product consistency have become key factors affecting market competitiveness. Traditional manual rubber mixing methods often face challenges such as unstable formulations, high labor costs, and inconsistent batch quality. An advanced Automatic Mixing Rubber System provides an intelligent solution by integrating material handling, weighing, mixing control, and discharge processes into one automated production workflow.

  • What Is the Maximum Service Temperature of Nitride Bonded Silicon Carbide Bricks for Kiln Furniture Applications

    When selecting refractory materials for high-temperature kiln furniture, one question consistently dominates engineering discussions: the upper thermal limit. For Nitride Bonded Silicon Carbide Bricks, the maximum service temperature is not a single number—it depends on atmosphere, load, and thermal cycling conditions.

  • How Does a Rotogravure Printing Machine Improve Printing Quality and Production Efficiency?

    In the flexible packaging and printing industry, manufacturers constantly face challenges such as unstable print quality, high labor costs, material waste, and inefficient production processes. A rotogravure printing machine provides an advanced solution by combining precision engraving technology, automated control systems, and high-speed operation capabilities. This article explains how rotogravure printing machines work, their major advantages, key selection factors, and how Green Ohm helps businesses achieve reliable and efficient printing performance.

  • How Does a Washing Machine Clutch Improve Washing Performance and Reliability?

    A washing machine clutch is one of the most important mechanical components responsible for controlling power transmission between the motor, pulsator, and washing tub. When the clutch works properly, the washing machine can smoothly switch between washing, rinsing, and spinning modes while maintaining stable operation, reducing vibration, and extending service life. This article explains how a washing machine clutch works, why it fails, how to choose a reliable clutch component, and how Cixi Lihe Electric Appliance Co., Ltd. provides dependable solutions for appliance manufacturers and repair professionals.

  • What Makes Large-Scale Bed Unit Processing Components Essential for Modern Industrial Machinery?

    ​In today's rapidly developing manufacturing industry, large-scale equipment requires stronger structural support, higher processing accuracy, and more flexible production solutions. Large-Scale Bed Unit Processing Components have become a critical foundation for heavy-duty machinery because they provide excellent stability, load-bearing capacity, and long-term operational reliability. As a professional machinery manufacturer, Tangshan Yuexin Machinery Manufacturing Co., Ltd. focuses on delivering high-quality large-scale bed unit solutions designed to meet diverse industrial requirements, including customized designs for different ship types and marine engineering applications.

  • How Does a 10kW Single Phase Hybrid Inverter Improve Modern Energy Management?

    ​With the rapid growth of renewable energy applications, efficient power conversion and intelligent energy storage have become essential for residential and commercial users. A 10kW Single Phase Hybrid Inverter provides an advanced solution by integrating solar power generation, battery storage, and grid interaction into one intelligent system. Designed for high-demand energy environments, this type of inverter helps users achieve better energy independence, lower electricity costs, and reliable backup power.

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