Vice President of the Nitro-Calcium-Magnesium Fertilizer Branch of the China Nitrogen Fertilizer Industry Association. Since 1983, he has been working at Shanxi Tianji Coal Chemical Group Co., Ltd. (formerly Shanxi Fertilizer Plant), where he has held various positions including Director of the Compound Fertilizer Laboratory, Head of the Quality Inspection Section in the Quality Inspection Department, Secretary and then Director of the Living Management Office of the Social Development Company, Secretary and then Director of the Safety Management Department. Currently, he serves as the Secretary of the Fine Chemicals Company and also holds the position of Chairman of the Board of Directors of Shanxi Tianji Coal Chemical Group Co., Ltd.