Equipped with internationally advanced automated casting production facilities and comprehensive physical and chemical analysis equipment, we significantly enhance manufacturing efficiency and product quality stability.
Leveraging strong engineering capabilities, our products are exported to overseas markets including Germany, the United States, Italy, Canada, and other countries, serving global industry leaders.
Obtained ISO 9001, TS 16949, and UL certifications, ensuring process control over every production detail and continuous pursuit of high customer satisfaction.
Alloy steel precision casting, often referred to as lost wax investment casting, represents the pinnacle of metallurgical engineering for complex industrial components. Unlike standard carbon steel, alloy steel incorporates elements such as chromium, molybdenum, nickel, and vanadium to achieve superior mechanical properties, including high tensile strength, exceptional wear resistance, and anti-corrosive performance.
At JUNLONG Machinery Co., Ltd. (founded in 2014), we have redefined the role of a supplier by integrating deep technical expertise with a massive 60,000 m² manufacturing footprint in Weifang, Shandong. With an annual production capacity of 20,000 tons, we serve as a critical node in the global industrial supply chain.
Year Founded
Production Area (m²)
Annual Capacity (Tons)
Professional Staff
The industry is moving toward "High-Entropy Alloys" and specialized heat treatments. Our laboratory focuses on grain refinement and precipitation hardening to ensure alloy steel components withstand extreme pressures in aerospace and subsea petroleum applications.
Future casting relies on "Simulation-Driven Design." By utilizing AI-based solidification modeling, we eliminate porosity and shrinkage defects before the first wax pattern is even injected, ensuring a 99.9% yield rate for complex geometries.
Green manufacturing is no longer optional. Our roadmap includes 100% recycling of wax materials and closed-loop water filtration systems, aligning with global ESG standards and reducing the carbon footprint of heavy industrial parts.
The "China Advantage" in precision casting has evolved from cost-efficiency to technological leadership and supply chain depth. Weifang, Shandong, serves as a global hub for mechanical engineering, providing us with immediate access to premium raw materials and a highly skilled labor pool of over 30 engineering technicians within our facility.
Harvester blades and tillage parts requiring high impact toughness in abrasive soil environments.
Corrosion-resistant alloy steel components for marine propulsion and valve systems.
Precision structural parts for photovoltaic trackers and wind turbine brake systems.
High-safety-standard bogie components and coupling systems for high-speed rail networks.
Physical & Chemical Analysis Labs ensuring 100% Material Compliance
A: Typically, mold manufacturing takes 15-25 days, and production runs take 30-45 days depending on complexity and order volume. For urgent OEM projects, we can expedite the engineering phase.
A: Every batch of alloy steel undergoes spectral analysis. We provide detailed 3.1 Material Certificates, heat treatment reports, and dimension inspection reports as per ISO 9001 and TS 16949 standards.
A: Yes. Our lost wax investment casting process is specifically designed for intricate shapes and internal cavities that are impossible to achieve via traditional forging or sand casting.
A: We offer a range of treatments including pickling, passivation, powder coating, zinc plating, and specialized heat treatments to enhance the longevity of alloy steel in harsh environments.
A: Our "Information Gain" lies in our 20,000-ton capacity paired with a 30-person engineering team. We don't just "cast"; we optimize your design for manufacturability, reducing your long-term costs.
Our company will continue to strengthen research and development efforts for new products and technologies, integrate advanced management and technical resources, and strive to become a world-class precision casting supplier.
Junlong
