Optical case

Sing Win Ind Bldg, Kwun Tong, Hong Kong, Hong Kong

Unit 04, 34/F., Cable TV Tower, No.9 Hoi Shing Road, Tsuen Wan, N.T., H.K., Tsuen Wan, Hong Kong, Hong Kong

Houston Centre, Tsim Sha Tsui East, Hong Kong, Hong Kong

Kai Fuk Ind Centre, Kowloon Bay, Hong Kong, Hong Kong

28 Marble Rd, North Point, Hong Kong, Hong Kong

Mei Fung Hse, Sha Tin, Hong Kong, Hong Kong

Po Lung Centre, Kowloon Bay, Hong Kong, Hong Kong

Admiralty Centre, Wan Chai, Hong Kong, Hong Kong

Block C & D, 4/F., Superluck Ind. Centre, Phase 2, 57 Sha Tsui Road, Tsuen Wan, Hong Kong, Hong Kong

Star House, Tsim Sha Tsui, Hong Kong, Hong Kong