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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

  • What Is a Handheld Marking Machine Used For?
  • Why Is a Nut Tapping Machine for Furniture Hardware Important for Modern Production?
  • Which Disassembly Plate Heat Exchanger for the HVAC Industry Fits Long-Term Maintenance Needs?
  • Does Hot Rolled Checkered Steel Plate for Platforms Require Anti-Corrosion Treatment
  • What Makes HDPE Large Diameter Winding Pipe Machinery a Smart Choice for Modern Pipeline Production?
  • Why Is a Micro Gasoline Generator Becoming a Practical Power Solution for Marine Applications?
  • How Can a Concrete Brick Demolding Machine Improve Customized Brick Production?
  • How Does the ZN1000-2 Single Pallet Machine Improve Concrete Product Manufacturing?

  • What Is a Handheld Marking Machine Used For?

    Learn what a Handheld Marking Machine is used for, including metal part identification, serial numbers, QR codes, logos and industrial traceability. Explore applications, material compatibility and selection tips from Jinan Luyue.

  • Why Is a Nut Tapping Machine for Furniture Hardware Important for Modern Production?

    ​Furniture hardware may be small, but the quality of its internal threads directly affects assembly accuracy, connection strength, and the finished product's reliability. As furniture manufacturers and hardware suppliers move toward higher-volume and more consistent production, manual or semi-automatic tapping methods can become difficult to manage. A Nut Tapping Machine for Furniture Hardware provides an automated approach to processing internal threads in furniture nuts, threaded inserts, and other metal hardware components.

  • Which Disassembly Plate Heat Exchanger for the HVAC Industry Fits Long-Term Maintenance Needs?

    Learn how to select a disassembly plate heat exchanger for HVAC applications based on heat duty, pressure, temperature, fluid compatibility and maintenance access. Jiangyin Daniel Cooler Co., Ltd. provides practical plate heat exchanger solutions for heating and cooling systems.

  • Does Hot Rolled Checkered Steel Plate for Platforms Require Anti-Corrosion Treatment

    When specifying Hot Rolled Checkered Steel Plate for Platforms, engineers and project managers often ask whether anti-corrosion treatment is truly necessary. At Sanhe, we have supplied thousands of tons of Hot Rolled Checkered Steel Plate for Platforms to industrial, commercial, and municipal projects worldwide. The short answer is yes—but the type and extent of treatment depend on several critical factors. This guide explains when protection is essential, which methods perform best, and how to specify the right system for your platform.

  • What Makes HDPE Large Diameter Winding Pipe Machinery a Smart Choice for Modern Pipeline Production?

    ​As infrastructure projects demand stronger, lighter, and more adaptable drainage and pipeline systems, manufacturers are paying greater attention to advanced pipe-forming technology. HDPE Large Diameter Winding Pipe Machinery provides an efficient solution for producing large-diameter structured-wall pipes used in municipal drainage, sewage treatment, agricultural drainage, industrial applications, and other underground pipeline projects. The winding process combines extrusion and spiral forming to create pipes with high ring stiffness, corrosion resistance, low weight, and convenient installation.

  • Why Is a Micro Gasoline Generator Becoming a Practical Power Solution for Marine Applications?

    ​When reliable electricity is needed in a compact space, a Micro Gasoline Generator can provide a practical combination of portability, independent power generation, and flexible deployment. Compared with larger generator sets, micro generators are designed for applications where installation space, equipment weight, fuel consumption, and ease of operation matter. They can support lighting, battery charging, communication equipment, small appliances, tools, and other auxiliary loads.

  • How Can a Concrete Brick Demolding Machine Improve Customized Brick Production?

    ​Concrete brick production requires more than simply pressing raw materials into a mold. The forming, vibration, compression, and demolding stages all influence the final brick's dimensions, surface quality, structural integrity, and production efficiency. For manufacturers serving construction, landscaping, road paving, and customized building-material markets, reliable demolding is especially important because poorly controlled demolding can damage corners, distort shapes, or reduce production consistency.

  • How Does the ZN1000-2 Single Pallet Machine Improve Concrete Product Manufacturing?

    ​In modern concrete product manufacturing, equipment must do more than simply form blocks. Manufacturers need stable vibration, fast mould changes, durable structures, consistent product quality, and the flexibility to produce different product designs. The ZN1000-2 Single Pallet Machine is designed around these production requirements. Developed with ZENITH engineering and manufactured through the ZENITH/QGM production system, the machine uses a 1200 × 950 mm pallet size, four servo motors on the vibration table, and two motors on the tamper head.

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