Does PetroChina restrict going abroad?

There is no limit. PetroChina does not restrict going abroad. China Petroleum and Natural Gas Corporation (China Petroleum and Natural Gas Corporation for short, China Petroleum or PetroChina in Chinese for short) is an important state-owned backbone enterprise and a comprehensive international energy company whose main business is oil and gas business, engineering and technical services, petroleum engineering construction, petroleum equipment manufacturing, financial services and new energy development.