Established in 1985, China Optometric ＆ Optical Association (COOA) is a national association with over 1,000 member companies composed of manufacturers, optometrists, traders, research institutes and education institutions of the industry. COOA is responsible to manage the development of the China's optical industry, entrusted by the Government. COOA is the organizer of CIOF, China International Optics Fair in Beijing every September and her sister fair, SIOF, China (Shanghai) International Optics Fair in Shanghai every February.