Congratulations on Our Company Obtaining National Patent Authorization“An Extrusion Die for Narrow-Pitch Four-Hole Parallel-Flow Aluminum Flat Tubes with Zinc Coating”
On January 13, 2026, Bangde has successfully obtained the authorization of a utility model patent: An Extrusion Die for Narrow-Pitch Four-Hole Parallel-Flow Aluminum Flat Tubes with Zinc Coating.
In recent years, Bangde has actively pursued technological innovation. The successful authorization of the patent has laid a solid foundation for the company to enhance its core competitiveness.