Hi, Foresight Optical Ltd. is a professional OEM and ODM eyewear manufacturer for over 25 years. We are a world famous manufacturer of Polycarbonate (PC) lens for both the sports and sun wear markets. We also provide safety eyewear, visor and goggle (up to tactical level). Daily production capacity currently runs at 120, 000+ pairs. We also obtained ISO9001 certification in 2008. We are professional and mature on dual coating and dipping coating technology. Dual Coating technology provides you Anti-scratch function outside the lens and Anti-fog inside. For more information, please visit our website or e-mail us if you have any questions!