About us

Established in 2001, Huawei Metallurgical Machinery factory is located in Bowang District, Maanshan City, Anhui Province. As a Provincial High-Tech Enterprise and Municipal Specialized & Sophisticated Enterprise, it has focused on wear‑resistant and corrosion‑resistant alloy materials and extruder parts for over 20 years. The company specializes in R&D and manufacturing of core parts for twin‑screw extruders, including screw elements, barrels, mandrels, and alloy sleeves. Using high anti-abrasion & anti-corrosion materials such as WR4/WR5/WR13/nickel‑based alloys, our products serve lithium‑battery slurry, plastic granulation, wood‑plastic composites, powder coatings and more, compatible with mainstream extruder brands worldwide and available for custom designs. 

Nanjing is the birthplace of China's twin-screw extruder industry with strong industrial cluster advantages.Leveraging its superior location and industrial resources, we set up Nanjing Gepray Overseas Business Center in 2023, dedicated to serving global clients with professional, efficient one-stop solutions.

With mature production technology, precision machining capacity and a complete quality control system, the company has won long-term trust and cooperation from customers worldwide by reliable product quality, stable delivery and professional service philosophy. We strive to become a powerful and reputable premium supplier of extruder parts in the industry.