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Quite a few refineries under Sinopec Groupand CNPC conducted overhaul in March,in-cluding Wuhan Petrochemical Company Ltd.and Zhenhai Refining & Chemical Co.,Ltd.Dagang
Quite a few refinersies under Sinopec Group and CNPC conducted overhaul in March, in-cluding Wuhan Petrochemical Company Ltd. and Zhenhai Refining & Chemical Co., Ltd.Dagang