Assistant to the general manager of CSPC No. 1 Manufacturing Center, Senior Engineer and Registered Environmental Assessment Engineer, Environmental Protection Expert of China Chemical Pharmaceutical Industry Association, Technical Review Expert of Environmental Assessment in Hebei Province.

The research project "Research on the Harmless Treatment and Resource Utilization of Cephalosporin C Bacteria Residue" won the second prize of Hebei Province Pharmaceutical Industry Technology Progress Award; "The Integration and Optimization of Malodorous Gas Treatment Technology" won the third prize of Hebei Province Science and Technology Progress Award; Development and Demonstration of Key Technologies for Synergistic Purification of VOCs by Absorption and Chemical Oxidation, "Clean Production Technology for Membrane Separation of Cephalosporin Antibiotics High Ammonia Nitrogen Wastewater", and "Flocculation Pretreatment of Penicillin Fermentation Wastewater" passed the technical appraisal of the Provincial Science and Technology Department. "A Method for Purifying Acetone Waste Gas" won the invention patent. Li published the paper "Industrial Research on the Recovery of Aqueous Isopropanol by Pervaporation Membrane Technology" in "Hebei Industrial Science and Technology" and "SBR Process for Treatment of High Concentration Pharmaceutical Wastewater"