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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

  • How Can a 15L Double Station Blow Moulding Machine Improve Custom Plastic Production?
  • How Can a Fully Enclosed Plate And Tube Cutting Machine Improve Modern Metal Fabrication?
  • How Can an Engine System Accessory Cleanliness Cleaning Machine Improve Marine Component Maintenance?
  • What Should You Check Before Buying a Used Four Column Bridge Cutter Machine
  • Why Choose an Electric Pallet Jack for High-Frequency Operations?
  • How Can Electronics Factory Pure Water Reverse Osmosis Equipment Improve Manufacturing Quality?
  • How to Choose the Right H-Section Steel Structural Beam for Your Building Design
  • Can a Standard 3CX Backhoe Loader Handle Heavy-Duty Demolition Work

  • How Can a 15L Double Station Blow Moulding Machine Improve Custom Plastic Production?

    ​In modern plastic manufacturing, buyers are no longer looking only for a machine that can produce standard bottles or containers. They increasingly need equipment that combines stable output, flexible mold configurations, efficient production, and the ability to handle customized product designs. This is particularly important for manufacturers producing 5L–15L containers, industrial packaging, special-shaped products, and marine-related plastic components. A 15L Double Station Blow Moulding Machine provides a practical solution by combining continuous extrusion blow moulding technology with a two-station production structure.

  • How Can a Fully Enclosed Plate And Tube Cutting Machine Improve Modern Metal Fabrication?

    ​In modern metal fabrication, manufacturers increasingly need equipment that can handle different material forms without sacrificing precision, safety, or production efficiency. A Fully Enclosed Plate And Tube Cutting Machine combines plate and tube processing in one CNC laser cutting system, helping manufacturers reduce equipment investment while expanding their processing capabilities. Fully enclosed structures can also help isolate laser radiation, control smoke and dust, and create a cleaner working environment.

  • How Can an Engine System Accessory Cleanliness Cleaning Machine Improve Marine Component Maintenance?

    ​For engine manufacturers, marine equipment suppliers, and maintenance teams, cleanliness is more than a cosmetic requirement. Oil, machining chips, carbon deposits, dust, metal particles, and other contaminants can remain on or inside precision engine components, potentially affecting assembly quality, inspection accuracy, operating reliability, and service life. An Engine System Accessory Cleanliness Cleaning Machine provides a controlled way to remove contaminants and prepare components for inspection, assembly, maintenance, or further processing.

  • What Should You Check Before Buying a Used Four Column Bridge Cutter Machine

    Investing in a pre-owned Four Column Bridge Cutter Machine can be a cost-effective way to expand your stone processing capacity without the burden of a full-price purchase. However, the used machinery market is full of hidden risks, and a poorly inspected unit can quickly become a costly mistake. Whether you are a stone fabricator, a countertop workshop, or a large-scale processing plant, working with a trusted brand like Xianda ensures you have access to reliable equipment and genuine spare parts. This guide walks you through the critical checks every buyer should perform before committing to a used Four Column Bridge Cutter Machine.

  • Why Choose an Electric Pallet Jack for High-Frequency Operations?

    A warehouse operations manager's guide to selecting electric pallet jacks for high-frequency material handling. Compare manual vs electric performance, calculate ROI, and understand operator fatigue factors.

  • How Can Electronics Factory Pure Water Reverse Osmosis Equipment Improve Manufacturing Quality?

    ​In modern electronics manufacturing, water is not simply a utility—it can directly influence cleaning quality, process stability, component reliability, and production yield. Semiconductor, PCB, LED, LCD, photovoltaic, and precision electronic-component factories may require water with extremely low levels of dissolved salts, particles, microorganisms, and organic contaminants. Reverse osmosis (RO) is therefore widely used as a core purification stage, often combined with pretreatment and further polishing technologies when higher purity is required.

  • How to Choose the Right H-Section Steel Structural Beam for Your Building Design

    Selecting the correct H-section Steel Structural Beam is one of the most consequential decisions in structural engineering. At HAISHENG, we have supplied fabricated steel sections to commercial, industrial, and infrastructure projects across multiple regions, and the same principle holds true everywhere: the right beam balances strength, weight, cost, and constructability. This guide walks through the technical factors that matter most when specifying an H-section Steel Structural Beam for your next building design.

  • Can a Standard 3CX Backhoe Loader Handle Heavy-Duty Demolition Work

    When construction teams face partial building tear-downs, foundation removals, or concrete slab breakage, the equipment choice often narrows to compact excavators or full-size crawler excavators. Rarely does the Standard 3CX Backhoe Loader enter the demolition conversation—yet this versatile machine, offered by trusted manufacturers like Mingxu, has quietly evolved into a serious contender for light-to-medium demolition tasks. The question is not whether it can swing a breaker, but whether it can sustain the shock loads, cycle times, and structural stresses that define real demolition work.

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