Jan. 22, 2010 (China Knowledge) - The Zhenhai Refinery of China Petroleum & Chemical Corp<600028><0386><SNP>, also known as Sinopec, has started refining Castilla Blend crude oil imported from Columbia, sources reported.

Castilla Blend, a kind of heavy crude oil, has nearly 2% of sulfur content and its air pollution index is 18.8 degrees.

Reportedly, Maoming Petrochemical, a refinery also under Sinopec has tried to refine the heavy oil earlier.

Founded on Sep 20, 1974 and located in Zhenhai District, Ningbo, Zhengjiang Province, the Zhenhai refinery is China’s largest refinery and one of Asia’s largest refineries in terms of the crude processing capacity. It is mainly engaged in producing and selling various clean gasoline, high-quality diesel oil, liquefied gas, etc.