021-59140056

Extension：8812 (Domestics Business) 、 8822(International Business) 、8803 (Human Resources)

925-929, 1st Jinyuan Road, Jiading District, Shanghai, P.R China (201803)

Internaitonal Business: info@www.51sdka.cn

China Business：pulin@www.51sdka.cn

Board Office：ir@www.51sdka.cn

GM Office：gmoffice@www.51sdka.cn 

Administrative Department：xzbgy@www.51sdka.cn

Human Resources：hr@www.51sdka.cn