Welcome to contact us
11 / F, East Huaihai international building, No.45, East Huaihai Road, Shanghai.
Room 4020-4027, 4th floor, Block B, Guocuiyuan, 1102 Huihe South Street, Gaobeidian, Chaoyang District, Beijing.
8:30am-5:30pm. Monday to Friday
+86 21-63167757
contact@osdtrading.com
