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Daqing Petrochemical Co.,Ltd.under Petro China Company Ltd.commenced construction on the1.2 million t/a ethylene expansion project on December 28th,2007.The RMB14
Daqing Petrochemical Co., Ltd. under Petro China Company Ltd. Menced construction on the 1.2 million t / a ethylene expansion project on December 28th, 2007.The RMB14