According to the inquiry of the United Network, Hefei Meiya Optoelectronics general laborers work in the painting workshop, upper and lower parts, assembly workshop. Hefei Meiya Optoelectronics Technology Co., Ltd (stock code: 002690) is located in Hefei National High-tech Industrial Development Zone, is a high-tech enterprise specializing in the research and development, production and sales of optical, mechanical and electrical integration technology and related equipment. The company has food testing, industrial testing, medical equipment and other photoelectric detection products, scientific research and development and design and production of integrated capacity, is China's largest color sorter R & D and production base.