On August 13, Liu Minghua, director of the Audit Department of the group company, Zhao Jing, deputy director and other members of the audit team went to Shaanxi investment Xinxing to "look back" on the audit rectification. Liu Ling, deputy secretary and general manager of Shaanxi investment Xinxing party general branch, Liu Xinjun,

On July 26-28, China Biwei Certification Company carried out the supervision and audit of aviation quality system for Tianyi antenna. After the audit team checked and confirmed, Tianyi antenna passed the supervision and audit of AS aviation quality system, and continued to recommend the registration of Tianyi antenna.