Industry-leading components for heavy machinery, automotive, and construction sectors.
In the modern construction and industrial landscape, OEM Lost Wax Cast Building Hardware Parts represent the pinnacle of structural integrity and aesthetic precision. This process, also known as investment casting, allows for the creation of complex, near-net-shape components that are virtually impossible to achieve through traditional sand casting or die casting.
At JUNLONG Machinery Co., Ltd., we bridge the gap between ancient metallurgical wisdom and AI-driven manufacturing precision. Since 2014, our Weifang-based facility has set global benchmarks in carbon steel, alloy steel, and stainless steel fabrication.
Integrating AI and advanced automation into the investment casting workflow.
We are transitioning to fully automated wax pattern injection and robotic shell building. This reduces human error and ensures that every building hardware part meets tight dimensional tolerances of ISO 8062-3 Grade CT5-CT7.
Development of super-austenitic stainless steels and high-strength low-alloy (HSLA) steels to provide superior corrosion resistance for coastal architectural installations and high-load commercial facades.
Future roadmaps include AI-enhanced X-ray and CT scanning for internal defect detection, ensuring 100% metallurgical integrity before the parts reach the assembly line.
The Weifang industrial cluster in Shandong offers an unparalleled ecosystem for precision casting. Our resilience is built on three pillars:
Adapting building hardware to regional environmental and regulatory needs.
Spider fittings and glass curtain wall connectors manufactured via lost wax casting to withstand high wind loads in cities like New York, Shanghai, and Dubai.
Railings, brackets, and heavy-duty hinges for European rail stations, meeting EN 10213 standards for structural steel castings used in pressure-bearing environments.
High-durability valve components and fluid control hardware for oil & gas facilities, adhering to ASTM A744/A744M specifications for corrosion-resistant castings.
E-E-A-T: Experience, Expertise, Authoritativeness, and Trustworthiness.
Trust is built through transparency and rigorous verification. Our facility is certified with:
Every batch undergoes Spectrographic Analysis, Magnetic Particle Inspection (MPI), and Ultrasonic Testing (UT) to ensure that the chemical composition and physical properties perfectly match client specifications.
Direct answers for procurement managers and design engineers.
A: Typically, mold development takes 2-3 weeks, followed by sample production in 1-2 weeks. Mass production usually ranges from 4-6 weeks depending on volume and complexity.
A: Yes. Lost wax casting is ideal for fine details. We can incorporate high-definition logos, serial numbers, and complex textures directly into the casting mold.
A: We recommend 316L Stainless Steel or Duplex Stainless Steel. These materials provide exceptional resistance to chloride-induced stress corrosion cracking common in maritime air.
A: Absolutely. Our facility is equipped with CNC machining centers (horizontal and vertical), turning, and milling machines to provide finished, assembly-ready parts.
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. It specializes 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.
Equipped with internationally advanced automated casting production facilities and comprehensive physical and chemical analysis equipment, the company significantly enhances manufacturing efficiency and product quality stability.
Leveraging strong engineering capabilities, a complete quality control system, and advanced management systems, the company has become a well-known brand manufacturer exported to Germany, the USA, Italy, and Canada.
Key supplier for high-tech precision castings for automotive, rail transportation, engineering machinery, material handling, agricultural machinery, and petroleum machinery.
Junlong
