Some are fake. When buying Die Anfen shorts, you need to identify the authenticity. The trademarks of Die Anfen women's underwear are all red. Die'anfen was founded in 1994 and is headquartered in Zhongshan City, Guangdong Province. It has more than 1,000 employees and is a brand enterprise specializing in the design, development, production and marketing of underwear and apparel.