The refinery would not wrap up turnaround until Sep 25, which explained the plunge, according to the source.
As reported earlier, Daqing refinery shut down all units for maintenance on Aug 17.
Daqing refinery, located in Northeast China's Heilongjiang Province, has a topping capacity of 8-mil mt per year with complexity ratio hitting 0.75. It mainly supplies its oil products to the domestic market. It is capable of producing 15,000mt of naphtha per month, with nearby Daqing Petrochemical and Jilin Petrochemical as major consumers.
China Chemical Weekly: http://news.chemnet.com/en/detail-1411716.html