Featured Products
Latest Offers
Established in 1975
About Thong Sia
Thong Sia Optics was Established in 1975 with over 45 years in wholesales industry. Distribution of famous high-quality and technique frames. Thong Sia is offering caring and reliable services which enable us to build long-term & stable business relationships with our partners. Our service area covers Hong Kong, Macau, Malaysia, and Singapore...
Our Brand
Area Cover
Hong Kong, Macau, Malaysia & Singapore