Cosmo Lady Holdings Company Limited, doing business as Cosmo Lady is a Chinese company, headquartered in Dongguan, that manufactures underwear; As of 2019 it is the largest such company in the country. In 2014 it was the largest such company, if operating revenue is the method of measurement, with its own brand. It operates some retail shops selling its own products. As of 2014 Zheng Yaonan is the chairperson. Wikipedia