The prosperity of the seamless underwear industry in Zhejiang has created a group of excellent enterprises. Yiwu Seamless Underwear Cluster, known as the "China Seamless Knitting Underwear City", has over 6000 seamless machines, accounting for 80% of domestic weaving machines. The equipment level is advanced, and the products are exported to dozens of countries. In the domestic market, Yiwu seamless underwear has quickly become an important branch of the underwear industry due to its close fitting and comfortable characteristics.