Over the years the proportion of China's imports of crude oil and crude oil
In the past, China has been mainly based on production, and later, the central government decided to take the lead in oil production after the first foreign countries,
First, the sea inland sea after the first offshore principle,
The aim is to protect our country's internal oil resources, so now China has become second only to the United States second largest oil importer, most oil for imported oil, the specific data related to energy security, not a detailed announcement, about 60% - 70%