You may contact us thru below ways:

Telephone: +86-20 8200 6400

e-mail: copper_hou@leanesd.com

Address: Room 328# of Block 4 at No.728 of Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province, China

For prompt technical queries, you may follow our offical we-chat account of ESDiS Release,