Li Heng Chemical Fibre Technologies Limited, an investment holding company, manufactures and sells high-end nylon fibers in China. It offers nylon highly oriented yarn that is used in lingerie, undergarments, sportswear, and swimwear; nylon partially oriented yarn, a continuous filament yarn, which is primarily used as feedstock for nylon drawn textured yarn DTY products; and nylon DTY that is used in lace, undergarments, form-fitting garments, and home furnishing. The company also provides nylon fully drawn yarn, a melt-spun continuous filament yarn, which is used in casual wear, formal wear or business attire, sportswear and pants, and undergarments; and polyamide chips used as feedstock for producing nylon yarn. It offers its products under the Liyuan and Liheng brands. The company was founded in 2003 and is headquartered in Changle, China. As of February 29, 2016, Li Heng Chemical Fibre Technologies Limited was taken private.