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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 Soft Bellow Expansion Connection Absorb Axial Movement Without Transmitting Pressure Thrust
  • What Is Roots Blower and How Does It Improve Industrial Air Systems?
  • How does Metal Hardware Inspection Line Improve Manufacturing Quality and Efficiency?
  • How Does the High Speed 15L Single Station Blow Molding Machine Improve Modern Plastic Production?
  • UV Digital Printer Company: Innovating High-Speed, High-Resolution Printing Solutions for Modern Businesses
  • How Does a Steel Plate Pretreatment Line Improve Industrial Surface Quality?
  • How VCI Paper Protects Metal from Corrosion During Storage and Shipping
  • How Does a Box Forming Machine Improve Packaging Efficiency?

  • How Does a Soft Bellow Expansion Connection Absorb Axial Movement Without Transmitting Pressure Thrust

    In piping systems, thermal expansion and mechanical vibration are constant challenges. When a pipeline heats up, it elongates. When it cools, it contracts. Without a proper solution, this axial movement creates destructive stress on flanges, valves, and supports. The Soft Bellow Expansion Connection from Fushuo offers an elegant engineering answer: it absorbs axial displacement while virtually eliminating pressure thrust transmission to adjacent equipment.

  • What Is Roots Blower and How Does It Improve Industrial Air Systems?

    ​A Roots Blower is a highly efficient positive displacement air delivery device widely used in wastewater treatment, pneumatic conveying, aquaculture, cement, and chemical industries. Known for its stable airflow, simple structure, and strong pressure performance, the Roots Blower plays a critical role in modern industrial aeration and gas transportation systems. As global industries demand higher energy efficiency and environmental performance, reliable equipment like the Roots Blower becomes increasingly essential.

  • How does Metal Hardware Inspection Line Improve Manufacturing Quality and Efficiency?

    A Metal Hardware Inspection Line is a critical automation solution designed to ensure consistent quality, dimensional accuracy, and defect detection across mass-produced metal components. In modern manufacturing environments where precision and speed must coexist, inspection systems have evolved from manual sampling methods to fully integrated automated lines combining sensors, vision systems, and intelligent sorting mechanisms. This article explores how such inspection lines work, the problems they solve, and why they are essential for industries relying on metal fasteners, stamped parts, and precision hardware. It also highlights key technologies, operational workflows, and practical benefits for manufacturers aiming to reduce defects and improve production efficiency.

  • How Does the High Speed 15L Single Station Blow Molding Machine Improve Modern Plastic Production?

    In today's fast-growing plastic packaging industry, manufacturers are under constant pressure to increase output, reduce production costs, and maintain stable product quality. The demand for medium-to-large hollow plastic containers—such as detergent bottles, lubricant containers, chemical tanks, and industrial packaging—continues to rise. Against this background, the High Speed 15L Single Station Blow Molding Machine has become a highly efficient solution for modern production lines.

  • UV Digital Printer Company: Innovating High-Speed, High-Resolution Printing Solutions for Modern Businesses

    Discover how Danmajet is reshaping the world of UV digital printing with unmatched speed and precision. This article dives into the company's groundbreaking technology that transforms bold concepts into high-resolution signage, custom packaging, and complex industrial prints faster than ever. Through real-world insights, you'll see why Danmajet stands apart in a crowded market, pushing beyond conventional limits to deliver vibrant, durable results. Learn how their innovative approach empowers businesses to accelerate production without sacrificing quality, making the impossible a daily reality. Whether you're an industry veteran or a curious newcomer, get ready to explore the future of print—where creativity meets cutting-edge engineering.

  • How Does a Steel Plate Pretreatment Line Improve Industrial Surface Quality?

    ​Steel Plate Pretreatment Line is a critical system in modern steel processing industries, designed to clean, strengthen, and prepare steel plates before they undergo coating, welding, cutting, or further fabrication. In heavy industries such as shipbuilding, automotive manufacturing, construction machinery, and steel structure engineering, surface quality directly determines product durability and performance. A well-designed pretreatment line not only enhances adhesion for coatings but also significantly extends the service life of steel components.

  • How VCI Paper Protects Metal from Corrosion During Storage and Shipping

    VCI Paper (Volatile Corrosion Inhibitor Paper) is a specialized packaging material designed to prevent rust and corrosion on metal products during storage, transportation, and long-term warehousing. By releasing corrosion-inhibiting molecules that form a protective molecular layer on metal surfaces, VCI Paper eliminates the need for oil-based coatings and complex post-cleaning processes. This article explains how VCI Paper works, its industrial applications, selection criteria, and best practices for achieving maximum protection efficiency in real-world environments.

  • How Does a Box Forming Machine Improve Packaging Efficiency?

    In modern manufacturing and logistics environments, packaging efficiency directly impacts production cost, delivery speed, and product safety. A Box Forming Machine has become a critical piece of automation equipment for businesses aiming to streamline carton erection and reduce manual labor dependency. This article explores how this machine works, its key advantages, selection considerations, and real-world applications. It also provides a structured overview of how companies like Jinjiu Packing Machinery are advancing packaging automation technology to support diverse industrial needs.

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