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On December 20th,2007 the 1.2 million t/a hydrotreating unit of CNPC Liaoyang Petrochemi-cal Co.,Ltd.was completed and went on stream in Liaoyang,Liaoning province
On December 20th, 2007 the 1.2 million t / a hydrotreating unit of CNPC Liaoyang Petrochemi-cal Co., Ltd.was completed and went on stream in Liaoyang, Liaoning province