How about AVIC huayan electromechanical

AVIC huayan electromechanical co., ltd. is very good. Shaanxi Huayan Aviation Instrument Co., Ltd. belongs to aviation industry corporation of china Avionics System Company. It is a domestic company specializing in the research and development and production of inertial navigation system, attitude system, gyroscope and accelerometer. The company has strong professionalism, rich experience and high customer satisfaction, so AVIC Huayan electromechanical is very good.