Editor-in-Chief of JDP: 

JDPEIC@zentimecorp.com

Editorial office of JDP: 

JDP@zentimecorp.com

Address of Hong Kong Office: Unit A7, 12/F, Astoria Building, 34 Ashley Road, Tsim Sha Tsui, Kowloon, Hong Kong. 

Address of Shanghai Office: Zhengyi Road 48, Yangpu District, Shanghai, China.

If you have any questions or suggestions, please do not hesitate to contact us.