PTR Profile — PetroChina Co Ltd
PetroChina is principally engaged in a range of petroleum related products, services and activities. Co.'s segments include Exploration and Production, which is engaged in the exploration, development, production and marketing of crude oil and natural gas; Refining and Chemicals, which is engaged in the refining of crude oil and petroleum products, production and marketing of key petrochemical products, derivative petrochemical and other chemical products; Marketing, which is engaged in the marketing of refined products and the trading business; and Natural Gas and Pipeline, which is engaged in the transmission of natural gas, crude oil and refined products and the sale of natural gas.