China Petroleum & Chemical Corporation is a China-based energy and chemical company. The Company's segments include Exploration and Development segment, Refining segment, Marketing and Distribution segment, Chemicals segment, and Corporate and Others segment. Exploration and Development segment explores and develops oil fields, as well as produces crude oil and natural gas. Refining segment processes and purifies crude oil, which is sourced from Exploration and Development segment and external suppliers. Marketing and Distribution segment owns and operates oil depots and service stations in China. Chemical segment manufactures and sells petrochemical products, derivative petrochemical products and other chemical products to external customers.