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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

  • High Efficiency Diaper Production Machine: Revolutionizing Diaper Manufacturing
  • Aluminum Foil Sealing Machine Solutions for Efficient Filling
  • How Does a High-Accuracy CNC Circular Saw Improve Industrial Aluminum Profile Cutting?
  • How Can Brick Machine Mould Precision Affect Finished Block Dimensions?
  • What Makes 0.03mm Precision Stainless Steel Strip Coil Essential for High-Precision Applications?
  • How Does a 60 Ton Dry Powder Hydraulic Machine Improve Powder Forming Efficiency?
  • What Makes a Crop Straw Ultrafine Pulverizer Essential for Modern Agricultural Processing?
  • How Can an Industrial AC DC Air Cooler Fan Improve Industrial Cooling Efficiency?

  • High Efficiency Diaper Production Machine: Revolutionizing Diaper Manufacturing

    Every few years, a machine comes along that does more than increase output—it rewrites how a production line actually performs. The high-efficiency diaper machine from Womeng is one of those rare shifts. Its real advantage isn't simply speed. Instead, it brings precision material placement, meaningful cost savings, and long stretches of reliable uptime into one coherent system. Operators notice the difference quickly: less waste, tighter tolerances, and far fewer unplanned stops. For plant managers who have long juggled competing demands—faster throughput versus consistent quality—this equipment changes the conversation. It delivers a practical answer without forcing a trade-off. That combination of engineering and everyday usability is what makes the shift difficult to ignore, and worth a closer look.

  • Aluminum Foil Sealing Machine Solutions for Efficient Filling

    Your filler can hit top speed and still not solve the real problem. In many lines, the hidden bottleneck sits at the sealing station, where a weak or inconsistent foil seal quietly leads to leaks, spoilage, and expensive product returns. This piece explains how modern aluminum foil sealing machines attack that issue at the source: tighter temperature control, more uniform pressure, and faster changeovers that don't sacrifice seal integrity. It also walks through why Wanying Machinery has become the go-to partner for producers who refuse to choose between speed and reliability. It covers the details that separate a mediocre seal from a reliable one. Rather than chasing defects after the fact, the focus shifts to preventing them before they leave the line. If you've been squeezing more output from your filler but still seeing seal-related complaints, the practical breakdown here will help you rethink where the real gain is hiding.

  • How Does a High-Accuracy CNC Circular Saw Improve Industrial Aluminum Profile Cutting?

    Discover how a high-accuracy CNC circular saw improves industrial aluminum profile cutting through precise servo positioning, stable clamping, clean cutting, and automated production. Explore key features, applications, and machine selection tips from Lebulang.

  • How Can Brick Machine Mould Precision Affect Finished Block Dimensions?

    How can brick machine mould precision affect finished block dimensions? Zenith explains cavity tolerance, assembly clearance, mould wear, and block sampling for dimensional control.

  • What Makes 0.03mm Precision Stainless Steel Strip Coil Essential for High-Precision Applications?

    ​In modern manufacturing, materials must meet increasingly demanding requirements for dimensional accuracy, surface quality, flexibility, and durability. As industrial components become smaller and more sophisticated, ultra-thin metal materials play an increasingly important role in achieving reliable production results. 0.03mm Precision Stainless Steel Strip Coil is designed for applications where extremely thin thickness, consistent material properties, and precise processing performance are essential.

  • How Does a 60 Ton Dry Powder Hydraulic Machine Improve Powder Forming Efficiency?

    In modern powder processing industries, achieving consistent product quality while controlling production costs is a major challenge for manufacturers. Powder materials require accurate pressure, stable forming conditions, and reliable equipment to produce compact components with uniform density and strength. A 60 Ton Dry Powder Hydraulic Machine offers an effective solution by combining hydraulic forming technology with intelligent servo control.

  • What Makes a Crop Straw Ultrafine Pulverizer Essential for Modern Agricultural Processing?

    ​Crop straw is an abundant agricultural resource that can be transformed into valuable materials for animal feed, organic fertilizer, biomass energy, and industrial applications. However, untreated straw often has long fibers, uneven particle sizes, and relatively low processing efficiency, making it difficult to use directly in many production processes. Reducing straw into fine, uniform particles is therefore an important step in improving its utilization value.

  • How Can an Industrial AC DC Air Cooler Fan Improve Industrial Cooling Efficiency?

    ​In industrial environments, effective air circulation is essential for maintaining comfortable working conditions, protecting equipment, and supporting stable production. High temperatures can affect machinery performance, increase operator discomfort, and create challenges in workshops, warehouses, factories, and commercial facilities. An Industrial AC DC Air Cooler Fan offers a practical solution by combining efficient airflow with flexible power options.

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