Beijing Wahenyida Science &Technology Development Co., Ltd.
Mrs Jessica Dong: jessicadong@wahenyida.com &
Mrs Nancy Gao: nancy@wahenyida.com
Rm. 1501, Tower E, Wanda Plaza Yi No.18,
Shijingshan Rd., Shijingshan Dst.,
Beijing 100043, CHINA
Phone: +86 10 51458865
www.wahenyida.com