S-DERR is Saint Dior Fashion Co., Ltd., an international clothing enterprise integrating design, production and sales. Its headquarters is in Nanjing and its design center is in Paris.

DERR fashion co., ltd. was founded in 1994. S.DERR headquarters in Jiangning district, Nanjing covers an area of more than 3 mu, with a construction area of 3, square meters. S derr owns S derr (women's wear) and S·DERR/HE (men's wear) brands. There is also an Android platform application called "SDERR". In 21, it won the well-known trademark of China.