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No.808Shanghai Popularity RankingNo.83 Minxing DistrictNo.2 Lian ChemicalNo.3 Ocean PetroleumNo.3 Chemicals EnergyNo.3 Oil and GasNo.4 Lian OilNo.5 Yi Yao Jing JiNo.6 Lian Oil TechnologyNo.7 Shi You Tian Ran GasesNo.8 PetroleumNo.9 Plain OilNo.9 Chemical Raw MaterialsNo.9 Natural Gas国家专利高新技术企业市级高新技术企业省级创新型中小企业省级专精特新中小企业市级创新型中小企业ISO9001认证