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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

  • Does a Steel Frame Farm Processing Workshop Require Special Ventilation for Meat Processing
  • How Does Lashing and Securing Differ for OOG Shipping vs. Standard Container Loading
  • How Does an Aluminum Profiles Pretreatment Line Improve Surface Quality and Production Efficiency?
  • How Does an MPP Electric Pipe Machine Improve Pipe Production Efficiency?
  • How Can a CNC Horizontal Machining Center Improve Manufacturing Efficiency?
  • How Does a Metal Hardware Inspection Line Improve Manufacturing Quality and Efficiency?
  • How Does a Flexo Printing Machine Improve Printing Efficiency and Product Quality?
  • How Does a Finger Joint Press Improve Woodworking Efficiency and Product Quality?

  • Does a Steel Frame Farm Processing Workshop Require Special Ventilation for Meat Processing

    When farmers and small-batch meat producers consider upgrading their facilities, the Steel Frame Farm Processing Workshop often emerges as the top contender for its durability and cost-efficiency. However, a critical question lingers: does this robust structure inherently support the strict atmospheric demands of meat processing?

  • How Does Lashing and Securing Differ for OOG Shipping vs. Standard Container Loading

    When cargo moves beyond the confines of a standard dry container, the rules of restraint change entirely. For OOG Shipping (Out of Gauge shipping), lashing and securing are not routine procedures—they are custom-engineered operations. While a standard 20ft or 40ft container relies on uniform wall strength and corner castings, OOG Shipping cargo (such as heavy machinery, yachts, or industrial spools) demands direct attachment to the vessel’s structure. At SPEED INT'L, we treat every OOG Shipping project as a unique naval engineering challenge, because a single miscalculation in lashing can shift a 50‑ton rotor mid‑Pacific.

  • How Does an Aluminum Profiles Pretreatment Line Improve Surface Quality and Production Efficiency?

    ​In the aluminum processing industry, surface quality plays a decisive role in product performance, appearance, and long-term durability. Before aluminum profiles are coated, painted, or anodized, they require a professional surface preparation process to remove impurities and create a strong bonding surface. An Aluminum Profiles Pretreatment Line is an advanced production system designed to clean, chemically treat, and prepare aluminum profiles before finishing processes.

  • How Does an MPP Electric Pipe Machine Improve Pipe Production Efficiency?

    ​The demand for reliable underground cable protection systems has increased rapidly with the development of power networks, telecommunications, and urban infrastructure. Manufacturers need advanced equipment that can produce high-quality pipes with excellent durability, precision, and production efficiency. An MPP Electric Pipe Machine is designed to meet these requirements by providing an efficient solution for manufacturing modified polypropylene (MPP) pipes used in power cable protection, communication systems, and municipal engineering projects.

  • How Can a CNC Horizontal Machining Center Improve Manufacturing Efficiency?

    In modern precision manufacturing, companies are constantly searching for ways to improve productivity, reduce production costs, and achieve higher machining accuracy. A CNC Horizontal Machining Center has become an essential solution for industries that require complex parts processing, stable performance, and efficient production workflows. By combining advanced CNC control technology, multi-axis machining capability, and automated operation features, this equipment helps manufacturers overcome common challenges such as long processing times, repeated positioning errors, and inefficient production processes.

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

    In modern metal manufacturing, maintaining consistent product quality while improving production efficiency has become a major challenge. Manual inspection methods often struggle with accuracy, speed, and reliability, especially when production volumes increase. A Metal Hardware Inspection Line provides an advanced solution by combining automated inspection technologies, precision measurement systems, and intelligent quality control processes to detect defects and improve overall manufacturing performance.

  • How Does a Flexo Printing Machine Improve Printing Efficiency and Product Quality?

    A flexo printing machine has become an essential solution for manufacturers seeking faster production, consistent print quality, and cost-effective packaging printing. With increasing demand for customized packaging, labels, flexible materials, and high-volume printing, businesses need equipment that can deliver stable performance while reducing waste and operational challenges.

  • How Does a Finger Joint Press Improve Woodworking Efficiency and Product Quality?

    ​In modern woodworking industries, manufacturers are constantly seeking advanced solutions to improve production efficiency, reduce material waste, and enhance the quality of finished wood products. A Finger Joint Press has become an essential machine for many woodworking factories because it provides a reliable method for joining short pieces of wood into longer, stronger components. By using precise finger joint technology, this equipment helps manufacturers maximize raw material utilization while maintaining excellent structural performance.

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