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ABOUT US
Junlong Precision Casting Factory Core Competitive Advantages
We are not just a casting supplier, but a one-stop precision manufacturing partner from concept to finished product. Through deep integration of advanced equipment, full-process quality control, and professional engineering support, we ensure high-quality, high-reliability casting solutions for our clients.
Quality Control Engineers: Oversee quality planning and monitoring throughout the entire process.
View More3D Modeling and Technical Support Engineers: Respond quickly to client technical communications and handle 3D drawings and models.
20000
tons
Annual production capacity of 20000 tons
300
Over 300 workers
30
+
More than 30 engineers
60000
m²
Covering an area of 60000m²
1000
+
Over 1000 engineering cases
Fast Quotation
Leverages Enterprise Resource Planning (ERP) systems for detailed cost and process management, along with a rich experience database, to provide swift and accurate quotations.
small batch customization
Specializes in flexible production for multiple varieties and small batches, making us an ideal partner for new product development, trial production, and niche demands.
Transparent Management
ERP systems enable detailed control from order to delivery, ensuring information transparency and smooth communication.
Agricultural Machinery
Precision Casting, Forging a Solid Agricultural Core
In the field of agricultural machinery, precision castings are widely used in key components of tractors, harvesters, seeders, and more, thanks to their high wear resistance, strength, and ability to form complex structures. Whether it's impact-resistant gearboxes or lightweight engine housings, we provide accurate and reliable casting solutions to help agricultural equipment operate stably in harsh environments, improving operational efficiency and durability.
Petroleum Industry
Deep-Sea Oil Exploration, Precision-Crafted
Petroleum extraction and refining equipment demands high corrosion resistance and adaptability to high temperatures and pressures. Our precision casting technology produces key components such as valves, pump bodies, and pipe joints, ensuring exceptional performance and safety stability even in extreme environments. This provides a solid foundation for oil and gas exploration, transportation, and processing.
Automotive Industry
Lightweight, High-Performance, Driving Future Mobility
From engine blocks and turbochargers to suspension system parts, precision casting plays a key role in automotive lightweighting and performance enhancement. Through high-precision molding and material optimization, we help automakers achieve more efficient, environmentally friendly, and safe designs, driving component innovation in the era of electric vehicles and smart driving.
Construction Machinery
Forging Strong Mechanical Backbones, Conquering Extreme Conditions
Construction machinery such as excavators, loaders, and cranes relies on high-strength, wear-resistant castings to support heavy-duty operations. We provide customized precision casting services, producing structurally complex and high-load-bearing components to ensure machinery remains durable and efficient in harsh environments like mining, construction, and road construction.
Shipbuilding
Sailing into the Deep Sea, Casting a Steady Ship Core
Key components of ship propulsion systems, valves, and steering gear require excellent resistance to seawater corrosion and pressure. Our precision casting process produces high-strength, high-sealing castings that meet maritime standards, helping ships maintain reliability and safety during long voyages and deep-sea operations, advancing shipping and marine engineering
Architectural Hardware
Precision Casting, Building the Foundation of Architectural Safety
In the architectural hardware field, precision casting technology provides high-precision, high-strength solutions for door and window fittings, connectors, support components, and more. Whether it's weather-resistant locks, load-bearing structural parts, or decorative metal fittings, we ensure every casting combines aesthetics and practicality, helping architecture achieve a balance between safety, durability, and beauty, and supporting innovative designs in modern construction.
Rail Transportation
Forging Stable Tracks, Carrying Future Mobility
Rail vehicles and track systems demand extremely high reliability, durability, and safety from their components. Our precision casting is applied to key areas such as train bogie parts, braking systems, connecting devices, and signaling equipment, ensuring exceptional performance under high-speed, heavy-load, and high-frequency vibration conditions. This provides a solid foundation for the safety and efficiency of rail transportation.
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Junlong Precision Casting Optimizes Shell-Making Process and Hits a New High in Casting Yield
Junlong Precision Casting Optimizes Shell-Making Process and Hits a New High in Casting Yield
Junlong Machinery upgraded the shell-making procedure of silica sol investment casting. By improving wax cluster structure, dipping and air-drying control, we reduced deformation and sand inclusi...
June 30, 2026 -
Seize Overseas Orders and Maintain Stable Production for On-time Delivery
Seize Overseas Orders and Maintain Stable Production for On-time Delivery
Weifang Junlong Machinery is fully occupied with overseas orders for forklift and petroleum precision castings. The whole production chain strictly follows silica sol investment casting technolog...
June 27, 2026 -
Dual-process Layout Expands Overseas Markets, Exports of High-end Castings Maintain Steady Growth
Dual-process Layout Expands Overseas Markets, Exports of High-end Castings Maintain Steady Growth
Adopting both investment casting and sand casting technologies, the enterprise supplies castings to over 20 European and American countries for construction machinery, energy, shipbuilding and ra...
June 24, 2026