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Process technology and equipment system solutions for oil and gas fiel
No.982Beijing Popularity RankingNo.307 Haidian DistrictNo.1 PolyHe Products MaterialsNo.2 Ocean PetroleumNo.2 Petroleum TechnologyNo.5 PolyHe ProductsNo.5 Smart ControlNo.6 Oil and Gas FieldNo.7 Water MirrorNo.7 Ya Li Rong DevicesNo.8 Electromechanical EngineeringNo.10 Jie Neng Jian PaiNo.10 Oil and GasNo.11 Chemicals省级高新技术企业高新技术企业国家专利