Introduction of Wu Liangcai: Shanghai Sanlian Group Wu Liangcai Eyewear Company was founded in the 58th year of Kangxi reign of the Qing Dynasty (1719 AD) and has a history of more than 290 years. It is the oldest century-old store in the country's eyewear industry and the originator of China's eyewear industry. It enjoys a high reputation both nationwide and overseas. Maochang and Wu Liangcai are time-honored brands of the same type, specializing in all kinds of glasses and are well-known trademarks in China.