Shanghai Chang'e Optical instrument Technology Co., Ltd.,located in the South Shanghai Fengxian Oriental Meigu Biotechnology Park (under the Caohejing Zhangjiang Hi-Tech Park, a national key incubation zone and development zone), is a professional enterprise engaged in the research, development and manufacturing of ophthalmic medical devices and optometry equipment. The company's factory floor area is more than 5500 square meters. The company is a high-tech enterprise in Shanghai and has won more than 30 innovation and invention patents