Contact Us OFFICE ADDRESS (No retail service) Flat 3, 1/F, Block B, Tonic Industrial Center, 19 Lam Hing Street, Kowloon Bay, Kowloon, Hong Kong.Tel: (852)2186 6270Fax: (852)2186 6272 Business Hours:Monday to Friday 09:00 to 17:30Saturday, Sunday and Holiday Close Facebook Whatsapp Instagram