Tangyin County Hongda Engineering Plastics Factory is located in Tangyin County, west of Beijing-Guangzhou Railway line and No.107 National Highway, north of Henan Province. It has departments of production, sales, quality control, financial management, installation, after-sale service and so on.

Founded in 1983, the factory is specialized in nylon rollers, UHMW-PE sheets of type I, II, III and rods, which are sold well to major enterprises in the sectors of electricity, metallurgy, coal mining, papermaking, chemical engineering, shipbuilding, transportation, food, and health care all over the world.