1. Shanghai Three Guns Group, full name of which is Shanghai Three Guns (Group) Co., Ltd. or Shanghai Three Guns Group Co., Ltd.. Sanqiang brand was founded in 1937. The company formed a brand group in 1994 from Shanghai No.9 Knitting Factory, which produced Sanqiang brand underwear. In 1998, it entered the listed company Shanghai Longtou (Group) Co., Ltd. with high-quality assets, including Sanqiang, Conch, Goose Brand, Chrysanthemum and other national time-honored brands. Won the National Textile Industry Quality Award, Huangpu District District Chief Quality Award and other honors. Three Guns Technology Center is one of the first six municipal technology centers in Shanghai, which develops more than 2, new products every year. The knitted products developed have won the national and national textile system, Shanghai "New Product Award" and "Science and Technology Progress Award" for many times.

2. Beijing Tongniu Knitting Group Co., Ltd. is a large state-owned knitting enterprise. Founded in 1952, it has developed into an enterprise group with comprehensive strength in weaving, dyeing and finishing, garment making and printing and embroidery, with a registered capital of 11 million yuan and total assets of 3 million yuan. The company mainly produces knitted underwear series, leisure series, T-shirt series, sports series, children's wear series and grey cloth for knitted clothing, industry and decoration. The company pays attention to the progress of science and technology. In recent years, it has jointly developed a series of high-tech products with scientific research institutes of colleges and universities, and the series of Tongniu knitting products won the title of Beijing products. Tongniu trademark was recognized as Beijing trademark. The company was rated as a national enterprise and institution, and won the May 1st Labor Award. The company carries out the quality policy that customer's expectation is always the direction pursued by Tongniu, and has passed the ISO91 quality system certification. The company implements the marketing policy of both domestic and foreign trade, and the domestic trade market is mainly in North China, Northeast China and Northwest China, which radiates across the country. The company enjoys the right of self-operated import and export trade, and its products are exported to Europe, America, Australia, Japan and Southeast Asia. The company constantly innovates, deepens the reform, and gradually cultivates and forms the main business focusing on Tongniu brand, with real estate development and tertiary industry as its wings, and strives to build a diversified new enterprise group.