Hsin Sin Textile Co., Ltd. manufactures and sells polyester drawed textured yarns under the Yu Shan Long brand in Taiwan. It offers wooly stretch, set, air entangling, high count, high stretch, non-torque, micor fiber, modified polyester, thick and thin, color textured, single discat, soft package microfiber, and wormy yarns; and rainbow, CD wool-like, black and white two tone, shrinkage, foy moy two tone, two tone thick and thin, dope dyed multi-color, and compound spandex cover yarns. The company was founded in 1980 and is based in Taipei City, Taiwan.