Longchang Pharmaceutics Company : a subsidiary of China Petroleum Pipeline Longchang Industry Co., Ltd. to produce Chinese herbal medicines as well as western medicines and health care products.

• 河北龙昌药业有限公司是中油龙昌实业股份有限公司所属企业，以中成药为主，西药和天然保健品同时发展的现代化制药企业。