Tongkun Group Co., Ltd. manufactures and sells polyester filament yarns in China. The company offers various polyester filament yarns, including polyester pre-oriented, low spamdexed, full draw, and composite yarns; spandex covered yarns; two-component elastic yarns; polybutylene terephthalate matte high elastic yarns; medium-strength polyester yarn as high-performance sewing threads; imitated hemp yarns; blanket plush yarns; and cationic modified polyester under the GOLDENCOCK and Tongkun brand names. It also exports its products to South America, Europe, the Middle East, South Africa, South Korea, and Vietnam. The company was founded in 1981 and is headquartered in Tongxiang, China.