On July 30, 2018, Wuxi Weiyan precision stamping parts Co., Ltd. (hereinafter referred to as "Weiyan precision"), a wholly-owned subsidiary of Longsheng technology, received a written notice from Shanghai United Automotive Electronics Co., Ltd. that as a strategic supplier of United Automotive Electronics, Weiyan precision was confirmed as a c-sample supplier by United Automotive Electronics Co., Ltd., and started production for its Volkswagen and GAC new energy projects Product matching.