The Leading Supplier Of Leggings & Socks WINSIR INDUSTRY (SHANGHAI) Co., Ltd is the leading supplier of leggings and socks from China. Our products covers both seamed and seamless leggings, all kinds of socks. We have 8 years OEM / ODM experience with Japan customers, and customers fom other countries. Beside we also provide dropshiping service for the high quality, low price, hot sales yoga fitness gym workout leggings and stocks.Each month we will lanch some new products,if you have special requirements, please feel free to contact us.