Xi'an HUAYA was founded in 1990, which is a social welfare enterprise subordinate to the Civil Affairs Bureau of Weiyang District, and a national Class II ophthalmic medical equipment manufacturer. The company has 47 deaf and mute disabled people, accounting for 70% of all employees. The company also funded the establishment of: Shaanxi Huaya Optometric Research Institute, Shaanxi Huaya Medical Devices Co.