The global precision casting market, particularly in the automotive sector, is witnessing a paradigm shift. As manufacturers strive for "Light-weighting" to meet stringent fuel efficiency and emission standards, the demand for complex, thin-walled alloy components has surged. Modern automotive architectures, especially for New Energy Vehicles (NEVs), require high-strength-to-weight ratios that only advanced investment casting can provide.
Trends are moving toward "Digitization and Sustainable Metallurgy." The integration of AI-driven thermal analysis and 3D-printed wax patterns has reduced prototyping lead times from months to days. Furthermore, the industry is adopting "Green Casting" practices, recycling up to 95% of molding sand and optimizing energy consumption in induction furnaces.
The technical future of alloy components lies in Advanced Simulation. By using Finite Element Analysis (FEA), Junlong Machinery ensures zero-defect casting by predicting solidification patterns. Our roadmap includes transitioning to Full-Process Automated Robot Shelling and X-ray real-time inspection for internal integrity.
JUNLONG Machinery Co., Ltd. was founded in 2014. Located in Weifang, Shandong, the company covers a total area of 60,000 square meters and has an annual production capacity of 20,000 tons of precision castings and machined finished parts. We specialize in materials such as carbon steel, alloy steel, and stainless steel.
With over 200 employees, including more than 30 engineering technicians, the company is a high-quality casting supplier integrating precision casting and deep processing. Our facilities are equipped with internationally advanced automated casting production lines and physical/chemical analysis labs.
Supplying critical components like engine mounts, turbocharger housings, and battery cooling manifolds. Our alloy components offer superior heat resistance and structural integrity.
For excavators, forklifts, and agricultural equipment, we provide wear-resistant steel castings that endure extreme mechanical stress and environmental conditions.
Specialized 4140 material cable protectors and valve bodies designed for the high-corrosion, high-pressure environments of oil drilling and subsea exploration.
Ensuring process control over every production detail to achieve high customer satisfaction.
ISO 9001 / IATF 16949
Global Quality Standards
Advanced Metrology
CMM & Spectrometers
UL Certified
Safety and Reliability
A: Generally, high-strength alloy steels and specific series of stainless steels (like 316 or 410) are used for their thermal stability and corrosion resistance. For weight-critical parts, we utilize advanced carbon steel investment casting which allows for thinner walls without compromising structural integrity.
A: We employ CAD/CAM mold design and utilize automated wax injection. Our 60,000 sqm facility is equipped with CNC vertical and horizontal machining centers that finish the "raw" castings to tolerances as tight as ±0.01mm.
A: Yes. Our engineering team of 30+ technicians provides full-lifecycle support. We use 3D printing for rapid wax prototyping to validate designs before investing in hard tooling for the 20,000-ton annual capacity production.
A: Tooling and first-article inspection (FAI) typically take 4-6 weeks. Mass production runs depend on volume but usually range between 3-5 weeks thanks to our integrated supply chain.
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Junlong
