Hebei Dena V-Pulley Co., Ltd. established a technical cooperation with the Aviation Industry Research Institute in 1985, introducing German spinning equipment to build a factory. It was one of the earliest enterprises in China to develop and produce sheet metal spun pulleys. In 1988, the Vice Premier of the State Council inspected the factory and wrote an inscription.

Currently, the company has 170 employees, covers an area of ​​53,000 square meters, and has an annual production capacity of over 12 million pieces. It is currently the largest professional manufacturer of sheet metal spun pulleys in China in terms of scale and market share. Its main products include crankshaft torsional vibration dampers, sheet metal spun pulleys, machined pulleys, crankshaft position signal discs, and brackets.

The company possesses internationally advanced German-made six-station CNC spinning machines, high-precision large-tonnage CNC punching machines, precision CNC machining centers for molds, high-precision contour measuring instruments, advanced coordinate measuring machines, ultra-high load pulley durability testing machines, and other sophisticated equipment. Its leading technical strength, advanced production processes, and rapid new product development speed have earned it a high reputation in the domestic industry.