1, Langsha, Langsha Holding Group Co., Ltd., an iconic brand of hosiery, a famous brand in Zhejiang Province, introduced Langsha Red, a popular color named after the enterprise, an early domestic high-tech enterprise, a large underwear listed company specializing in the production and sales of knitted underwear and knitted fabrics.

2. Antarctic, Antarctic E-Commerce (Shanghai) Co., Ltd., Antarctic, founded in 1997, is a famous trademark and brand-name product in Shanghai. Originally a famous brand of thermal underwear, it has now grown into an influential supplier of various consumer goods. Antarctic products have covered men's wear, bags, down jackets, shoes and socks, outdoor products, children's wear and shoes, and home textiles.

3. One Tree, One Tree specializes in producing and selling deodorant socks, cotton underwear, men's socks, ladies' underwear, men's socks, girls' underwear and other products.