Founded in 2014 and located in Weifang, Shandong, our company covers 60,000 square meters with an annual production capacity of 20,000 tons of precision castings and machined finished parts. We specialize in high-integrity materials including carbon steel, alloy steel, and stainless steel.
As a high-quality casting supplier, we integrate precision silica sol casting with deep processing capabilities. Our 200+ employees, including 30+ senior engineering technicians, ensure every component meets the rigorous demands of global industry leaders.
The global precision casting market is undergoing a significant shift toward the Silica Sol process. Unlike traditional water glass casting, silica sol investment casting offers superior surface finish (Ra 3.2-6.3) and dimensional accuracy (CT4-CT6), making it the preferred choice for mission-critical applications. In the current industrial landscape, European and North American procurement teams are increasingly seeking "One-Stop Manufacturing Partners" like Junlong who can bridge the gap between raw casting and high-precision finished assembly.
Major enterprises in the automotive, aerospace, and medical sectors are prioritizing supply chain resilience. Procurement strategies have shifted from "lowest cost" to "highest reliability and compliance." OEM manufacturers must now demonstrate deep expertise in metallurgy, non-destructive testing (NDT), and ESG (Environmental, Social, and Governance) compliance. As a leading manufacturer in China, we address these global needs by providing transparent lead times, material traceability, and automated production efficiency.
Equipped with internationally advanced automated production facilities, significantly enhancing manufacturing efficiency and stability.
Comprehensive analysis equipment ensures the mechanical properties of different materials meet exact client specifications.
Exporting to Germany, the United States, Italy, Canada, and beyond, we are a trusted brand for high-tech industrial components.
The future of Silica Sol precision casting lies in Industry 4.0 integration. Our technical roadmap focuses on three core pillars:
By 2030, the demand for precision casting in Renewable Energy (wind turbine components) and Electric Vehicles (cooling system housings) is expected to grow by 45%. Junlong is already positioning its R&D to lead in these emerging high-tech niches.
Furthermore, the company has obtained ISO 9001, TS 16949, UL, and other quality management system certifications, ensuring process control over every production detail and continuously pursuing and improving product quality to achieve high customer satisfaction.
High-load components for braking systems and engine mounts. Precision castings for high-speed rail safety mechanisms.
Corrosion-resistant stainless steel pump and valve components designed for extreme pressure and chemical exposure.
Heavy-duty casting for harvesters and saltwater-resistant ship spare parts ensuring longevity in harsh environments.
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.
Our company will continue to strengthen research and development efforts for new products and technologies, integrate advanced management and technical resources, build a powerful brand, and strive to become a world-class precision casting supplier!
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