On March 21st, Wang Tianming, Deputy Secretary of the Party Committee and General Manager of Hainan Rubber, and his delegation went to Qingdao to conduct research on Qingdao Feixiang, a subsidiary of Haiken Logistics, and Qingdao Longjiao, a subsidiary of Shanghai Longxiang, and deployed relevant work. Yang Yu, a member of the Hainan Rubber Party Committee, accompanied the investigation.