China shopping market -- China has battled Russia Saudi oil to sell without considering the price

a contest of patience and perseverance.
As the world's largest importer of crude oil,
China has always been a battleground for oil producing countries.
Since the second half of 2014 began to decline in oil prices,
Saudi Arabia and Russia has been vying for market share and running Chinese.
with the emergence of local independent refinery factors,
the fighting between the two sides is escalating.
In recent years,
Russia has begun to tap the Chinese market.
Not only with PetroChina and other companies signed hundreds of millions of tons of oil,
large-scale construction of oil transmission pipelines.
With China's gradual liberalization of crude oil import quotas,
Russia has taken the lead in seizing the local independent refinery market.
Saudi Arabia has been China's largest energy sup