Founded in 2014, JUNLONG Machinery Co., Ltd. has established itself as a premier global destination for high-integrity precision casting solutions. Nestled in Weifang, Shandong, our facility spans a massive 60,000 square meters.
With a robust annual production capacity of 20,000 tons of precision castings and machined finished parts, we specialize in a diverse portfolio including stainless steel, carbon steel, and alloy steel. Our team of over 200 skilled professionals, including 30+ senior engineering technicians, ensures that every part we produce meets the rigorous standards of the modern industrial landscape.
Year Established
Factory Square Meters
Annual Tonnage Capacity
Expert Employees
The global demand for precision stainless steel casting parts is evolving. As industries pivot toward sustainability and lightweighting, the reliance on high-accuracy components has surged. Modern procurement managers are no longer just looking for a "supplier"—they are looking for a strategic manufacturing partner.
In a post-pandemic world, European and North American enterprises are seeking manufacturers with a stable "Full Industrial Chain" capability. By integrating mold design, casting, machining, and surface treatment, we eliminate the risks of multi-vendor delays.
The rise of 316L and Duplex stainless steel in marine and medical fields requires precise temperature control and chemical analysis. Our internal physical and chemical laboratories provide real-time data to guarantee alloy integrity.
User intent mining shows a shift toward "net-shape" or "near-net-shape" components. Our lost wax investment casting process allows for complex geometries that reduce the need for expensive secondary machining, cutting total costs by up to 30%.
Equipped with internationally advanced automated production lines, JUNLONG ensures consistency across high-volume orders. Our process includes:
Our components are the "backbone" of heavy-duty and high-tech machinery globally.
Castings for harvesters and tractors that withstand abrasive soil conditions and high mechanical stress.
Corrosion-resistant cable protectors and pump valves designed for deep-sea and high-pressure drilling environments.
High-strength brake lever components and engine mounts for commercial vehicles and rail transportation.
Forging strong mechanical backbones for excavators and cranes, ensuring durability in extreme mining conditions.
In the field of precision casting, trust is built through certification and traceability. Our factory is fully certified under:
Every batch undergoes Non-Destructive Testing (NDT), including X-ray, Magnetic Particle Inspection (MPI), and Ultrasonic Testing, ensuring zero-defect delivery to our clients in Germany, the USA, Italy, and Canada.
As a leading OEM stainless steel casting manufacturer, we are integrating AI and smart manufacturing into our technical roadmap:
Using MagmaSoft casting simulation to predict shrinkage and porosity before the first mold is even made, reducing waste and lead time.
Integrating 3D printing for sand molds and wax patterns to facilitate rapid prototyping for high-tech industry clients.
Implementing waste heat recovery and eco-friendly shell materials to align with global ESG (Environmental, Social, and Governance) goals.
Junlong
