Tel. & Whatsapp :
(852) 68283783 

Headquarter Address：
Suite 808, 8/F, 2-20 Paterson Street
​Hang Lung Centre, Causeway Bay
(Mon-Fri 11:30am-19:30pm Sat/Sun/Public Holiday: 12noon-7pm)
Store Trading Location： ​
Mong Kok, Causeway Bay
Email：helpdesk@esondata.com
Fax：(852) 30209724