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Shanghai Chemical Industry Zone Industrial Gas Co., Ltd.User: Shanghai Chemical Industry Zone Industrial Gas Co., Ltd. -
PetroChina Western Pipeline CompanyUser: PetroChina Western Pipeline Company -
China Petrochemical Corporation Zhenhai Refining and Chemical BranchUser: China Petrochemical Corporation Zhenhai Refining and Chemical Branch -
Wanhua Chemical (Yantai) Petrochemical Co., Ltd.User: Wanhua Chemical (Yantai) Petrochemical Co., Ltd.