How about Beijing Yanshan Electronic Equipment Factory?

Beijing Yanshan Electronic Equipment Factory is good. According to relevant public information, Beijing Yanshan Electronic Equipment Factory has strong technical strength and R&D capability, and is in a leading position in the industry, with reliable product quality and perfect service system. Has been committed to promoting the development of China's electronics industry, and has made many contributions in the fields of national security, military industry, communications and so on. Beijing Yanshan Electronic Equipment Factory is a large-scale electronic equipment manufacturing enterprise directly under the Ministry of Electronic Industry of China. Founded in 1957, it is located in the northwest of Wang Zhen, Changping District, Beijing.