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is a professional multinational petroleum equipment, EPC general contr
Dongying Dongying District Shandong Natural Gas Automobile Machines Oil Hua Gong / Chemistry Oil and Gas Production Oil and Gas Development Oil and Gas Processing EPC Zong Bag Fracturing Technology Oil Field Development Petroleum Pipes Materials Water Treatment Technology Plain Oil国家高新技术企业高新技术企业专精特新企业ISO9001认证ASME认证