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。