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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 Do You Maintain an Extra Long Fork Pallet Truck to Prevent Fork Bend
  • How Does Catalytic Combustion Equipment Improve Industrial Emission Control?
  • How Does a Monolayer Film Blowing Machine Work?
  • How Do You Achieve Precise Measurements Using an Analytical Balance?
  • Why Concrete Brick Machine Maintenance Room Matters for Efficient Production?
  • Is Self-Adhesive Waterproof Mechanical Equipment Truly Reliable for Underwater or High-Humidity Applications
  • How Does Hydraulic Cable Puller Improve Cable Installation Efficiency?
  • What Makes Paper Cup Machines Essential for Modern Packaging Industry?

  • How Do You Maintain an Extra Long Fork Pallet Truck to Prevent Fork Bend

    Fork bend is one of the most expensive and dangerous failures in warehouse operations. When you operate an Extra Long Fork Pallet Truck, the extended length magnifies leverage, making the forks significantly more vulnerable to bending, twisting, or permanent deformation. Unlike standard pallet jacks, these specialized units require a disciplined maintenance routine that addresses both the unique geometry of the forks and the heavy loads they routinely handle.

  • How Does Catalytic Combustion Equipment Improve Industrial Emission Control?

    Catalytic Combustion Equipment is an advanced industrial air pollution control solution designed to reduce volatile organic compounds (VOCs), hazardous air pollutants, and odorous gases through low-temperature catalytic oxidation. This article explains its working principle, benefits, applications, selection criteria, and maintenance considerations. It also addresses common operational challenges and provides practical insights for industries seeking stable, energy-efficient emission treatment systems. The goal is to help plant operators and environmental engineers understand how catalytic combustion technology supports cleaner production and regulatory compliance while maintaining operational efficiency.

  • How Does a Monolayer Film Blowing Machine Work?

    A Monolayer Film Blowing Machine is a core piece of equipment in modern plastic processing industries, widely used for producing high-quality single-layer plastic films. This article explains its working principles, core components, applications, advantages, and maintenance practices in detail. It also helps buyers and operators understand how to select the right machine, avoid common operational issues, and improve production efficiency while maintaining product consistency.

  • How Do You Achieve Precise Measurements Using an Analytical Balance?

    Analytical balances are essential instruments in laboratories where the highest level of weighing precision is required. From pharmaceutical formulation to chemical research and quality control, even the smallest measurement deviation can impact results significantly. This article explains how analytical balances work, their key features, common user challenges, maintenance practices, and how to choose the right model for professional applications. It also highlights practical insights from industry usage scenarios and introduces solutions provided by STARCRAFT, a reliable supplier of laboratory weighing instruments.

  • Why Concrete Brick Machine Maintenance Room Matters for Efficient Production?

    In modern construction material manufacturing, production stability and equipment longevity are critical for profitability and operational success. One often overlooked but essential facility is the Concrete Brick Machine Maintenance Room. This dedicated space is not just a storage area for tools or spare parts—it is a strategic component that ensures continuous production, reduces downtime, and extends the service life of heavy machinery. For manufacturers aiming for high efficiency and consistent output, establishing a well-designed maintenance room is a necessity rather than an option.

  • Is Self-Adhesive Waterproof Mechanical Equipment Truly Reliable for Underwater or High-Humidity Applications

    When engineers specify protective solutions for submerged pumps, offshore sensors, or high-humidity HVAC systems, the central question remains: can adhesive-based sealing truly match the durability of mechanical fastening? Self-Adhesive Waterproof Mechanical Equipment has evolved significantly over the past decade, yet skepticism persists. At Haiming, we have tested thousands of assemblies in simulated abyssal and tropical-rainforest conditions. This blog delivers empirical data, failure-mode analysis, and field performance metrics to answer that question definitively.

  • How Does Hydraulic Cable Puller Improve Cable Installation Efficiency?

    A Hydraulic Cable Puller is a powerful and efficient solution designed for modern cable installation projects where high tension, long-distance pulling, and safety are critical concerns. This article explores how hydraulic cable pullers work, the challenges they solve, their industrial applications, and how to choose and maintain the right equipment. Whether used in power transmission, telecommunications, or utility construction, hydraulic cable pullers significantly reduce manual labor while improving precision and operational safety.

  • What Makes Paper Cup Machines Essential for Modern Packaging Industry?

    ​In today's fast-growing food and beverage packaging sector, sustainability and efficiency have become key priorities for manufacturers. Among various automated production solutions, Paper Cup Machines play a critical role in transforming raw paper materials into high-quality disposable cups used worldwide in cafés, fast-food chains, events, and takeaway services. As environmental regulations tighten and consumer demand shifts toward eco-friendly products, businesses increasingly rely on advanced machinery to stay competitive and scalable.

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