If you have any questions/enquiry, please feel free to let us know. Your comments and suggestions are very important guidance for us to improve our products and services constantly. The following is the general contact information and we’ll be happy to assist you within 48 hours. Vtek Technology Co., Limited Address: 23/F, HO King Comm CTR 2-16,F ayuen St, Mongkok Kowloon, HongKong Phone: +852 9788 9618 Email: info@vtekcom.com   support@vtekcom.com Your request will be responded within 24 hours.