The investor of Tongtianhe Industrial Park in Tangxian County is
Hebei Weiming Biotechnology Co., Ltd. Hebei Tangxian Economic Development Zone was established on 20 10. 20 12 was approved as a provincial economic development zone by the provincial government in July. On April 20 19, Tongtianhe Industrial Park was entrusted with the approval of the municipal government, and the development pattern was determined as "one district and three parks". The main investment and operation company of Tongtianhe Bio-industrial Park is Peking University Weiming Group Hebei Weiming Biotechnology Co., Ltd., which is the first bio-economic demonstration zone built by the company.