Contact Us We always have someone on hand to answer your questions: 24 hours a day, 7 days a week. We believe in the timeliness of customer service, and will do everything possible to satisfy our customers. If you have any problems, comments, or suggestions, please contact our customer service representatives. Email:email@customerservicebest.com We normally respond to all enquiries for any questions within 1 working day. Address: on hong commercial bldg,145 hennessy road,wanchai district,Flat1801,18/F ., City Hong kong Postal code: 999077