BEIJING YILONG HENGYE OIL ENGINEERING TECHNICAL CO.,LTD is a comprehensive company mainly engaged in oil engineering technique. It located in Hai dian, Beijing, belong to high tech enterprise in Beijing. BEIJING YILONG HENGYE OIL ENGINEERING TECHNICAL CO.,LTD has two branches which are Puyang lidong the technique of petro CO.,LTD and Sichuan puguang branch ;two project departments which are shan bei project and international project department; one factory which is puyang fine chemical factaory...
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