Shanghai Conant Optics Co., Ltd. With 10 years experience of most kind of plastic lens export. Our advanced and precision production line are import from Japan. All manufacture procedures, quality control and our service are conducted and managed by professional qualified technicians and a cohesive highly experienced management team. Our products are in compliance with most major global quality standards as follows: 1. The power lens complied with FDA standard; 2. For the European market: EN ISO14889: 1997, EN ISO 8980-1: 1997, 8980-3: 1999, EN ISO1836: 1997 standards; 3. Tinted plano lens passed ANSI Z-80, EN ISO 1836 standards; 4. Above all, our company have obtained ISO 9002 certification; 5. We would also pass the GB 2506-2001 standards; You can visit our website http://*****/ We sincerely hope you to connect us.