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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 Concrete Block Making Machine Improve Productivity and Block Quality?
  • How Does a CNC Gate Valve Machine Improve Valve Manufacturing Efficiency?
  • How Does a Diesel Cable Winch Improve Efficiency in Heavy Cable Installation Projects?
  • What Makes a Portable Marking Machine an Essential Tool for Modern Industrial Marking?
  • How Does a Rubber Kneader Improve Rubber Processing Efficiency?
  • 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 a Concrete Block Making Machine Improve Productivity and Block Quality?

    Concrete block production has become increasingly important as global infrastructure and construction projects continue to expand. Whether you operate a small manufacturing workshop or a large-scale production plant, choosing the right Concrete Block Making Machine directly affects production efficiency, product consistency, operating costs, and long-term profitability.

  • How Does a CNC Gate Valve Machine Improve Valve Manufacturing Efficiency?

    ​In modern industrial manufacturing, precision, efficiency, and reliability have become essential requirements for producing high-quality valves. A CNC Gate Valve Machine is an advanced machining solution designed to manufacture gate valve components with high accuracy and consistent performance. Compared with traditional manual processing methods, CNC technology provides better dimensional control, faster production speed, and reduced human errors.

  • How Does a Diesel Cable Winch Improve Efficiency in Heavy Cable Installation Projects?

    Installing heavy cables in complex environments requires reliable pulling equipment that can provide strong traction, stable operation, and continuous performance. A diesel cable winch is designed to handle demanding cable pulling tasks in power construction, telecommunications, mining, infrastructure development, and industrial projects. This article explains how a diesel cable winch works, why it is important for modern cable installation, what challenges it solves, and how choosing the right equipment can improve productivity and safety. With advanced cable pulling solutions from MARSHINE, contractors can achieve smoother installation processes while reducing labor costs and operational risks.

  • What Makes a Portable Marking Machine an Essential Tool for Modern Industrial Marking?

    ​In today's competitive manufacturing environment, product identification, traceability, and quality control have become critical factors for industrial success. A Portable Marking Machine provides manufacturers with a flexible and efficient solution for permanent marking on various materials, including metal, plastic, and industrial components. Unlike traditional marking equipment that requires fixed workstations, portable marking solutions allow operators to perform accurate marking directly on large, heavy, or irregularly shaped products.

  • How Does a Rubber Kneader Improve Rubber Processing Efficiency?

    Rubber processing requires precise mixing, kneading, and dispersion to achieve consistent material quality and reliable performance. In modern rubber manufacturing, a Rubber Kneader has become an essential piece of equipment for producing high-quality rubber compounds, silicone materials, plastics, and other polymer products. By applying strong mechanical shearing forces and controlled temperature conditions, a Rubber Kneader helps manufacturers improve mixing uniformity, reduce production waste, and enhance overall efficiency.

  • 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.

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