Devon energy, based in the united states, is the world's largest independent oil and gas exploration and exploitation company, ranking over 500 in the united states ' fortune magazine. The main operations in devin energy are in the united states and canadian markets, as well as oil and gas exploration and exploitation in international markets such as china, brazil and azerbaijan. At the same time, devin energy is the larger supplier of liquefied natural gas in north america and has its own natural gas production and processing operations in several countries. As one of the world's leading energy companies, devin is committed to the concept of economic, environmental and social responsibility, helping to meet the world's growing energy needs. The core values of "good faith and respect for others" form the basis of the english business principles. Devon's development trajectory in china has been more than a century old. Currently, devin is one of the leading international energy compa...