High-performance lost wax casting solutions for global drivetrain architectures
In the high-stakes world of truck drivetrain manufacturing, structural integrity and dimensional precision are non-negotiable. Lost Wax Casting (Investment Casting) has emerged as the gold standard for creating complex components like gear housings, transmission yokes, and axle supports. At JUNLONG Machinery Co., Ltd., we leverage advanced automation to achieve tolerances as tight as ±0.1mm, ensuring that every drivetrain part can withstand the extreme torque and rotational stress of heavy-duty transportation.
Our process utilizes premium materials such as 8620 alloy steel and 304/316 stainless steel, treated with precise heat cycles to optimize tensile strength and fatigue resistance. This technical depth allows us to provide "Information Gain" to our clients—going beyond simple supply to offer metallurgical consultation that reduces part weight while increasing durability.
Utilizing CMM (Coordinate Measuring Machines) and Spectrometer analysis to ensure 100% chemical composition and geometric accuracy.
In-house normalization, quenching, and tempering to achieve specific Rockwell hardness for drivetrain longevity.
Robotic wax injection and shell building lines ensure consistent shell thickness and uniform cooling rates for every casting.
Full adherence to ASTM, DIN, and JIS standards, providing seamless integration for European and American assembly lines.
Establishing Trust Through Decades of Manufacturing Leadership
Founded in 2014 and headquartered in the industrial hub of Weifang, Shandong, JUNLONG Machinery Co., Ltd. represents the pinnacle of Chinese manufacturing expertise. Spanning 60,000 square meters, our facility is not just a factory—it is an integrated ecosystem of engineering innovation.
Our workforce of 200+ professionals, including 30+ senior engineering technicians, operates with a single mission: to provide the world's most reliable precision castings. With an annual capacity of 20,000 tons, we serve as a critical tier-1 and tier-2 supplier for the global automotive and heavy machinery sectors.
Founded & Established
Production Area (m²)
Annual Tonnage (Tons)
Engineering Experts
Quality Traceability
Leveraging Regional Clusters and Integrated Manufacturing
Our location in Shandong provides immediate access to high-quality raw material suppliers and a mature logistics network, reducing lead times by up to 30% compared to other regions.
Through "Full Industrial Chain" manufacturing—mold making, casting, machining, and surface treatment—we eliminate intermediary markups and deliver significant TCO savings.
China's investment in industrial IoT and automated casting machinery allows us to handle high-complexity parts that traditional foundries cannot replicate.
Bridging the Gap Between Chinese Manufacturing and Global Standards
For global enterprises, "compliance" is the bedrock of procurement. We understand that a truck drivetrain part in the US or Germany must meet specific environmental and safety regulations. JUNLONG provides:
We strictly control chemical substances in our casting and surface treatment processes to meet strict EU and US environmental laws.
Our engineering team provides 24/7 technical consultation for overseas clients, ensuring that design modifications (DFM) are handled in real-time.
Support for DDP/DDU shipping terms and the ability to maintain safety stock for "Just-In-Time" (JIT) delivery requirements in North America and Europe.
Designing for the Future of Heavy-Duty Transportation
As the industry shifts toward Electric Trucks (e-Trucks) and Autonomous Hauling, the demand for drivetrain components is evolving. We are currently focusing on:
Insights into Sourcing and Technical Specifications
For high-torque applications, we recommend low-alloy steels like 8620 or 4140, or high-tensile carbon steels. These materials offer the best balance of toughness and surface hardness after heat treatment.
We utilize non-destructive testing (NDT), including Magnetic Particle Inspection (MPI) and Ultrasonic Testing (UT), to detect internal porosity or cracks that could lead to drivetrain failure.
Generally, mold development takes 2-3 weeks, and the first article inspection (FAI) samples follow within 1 week. Bulk production typically takes 4-6 weeks depending on quantity and machining complexity.
Yes. We are equipped with CNC horizontal and vertical machining centers to provide finished, assembly-ready parts directly to your production line.
Junlong
