About Wang Jiming
About 中国石油化工集団有限公司,北京,100728
About Yuan Qingtang
About 中国石油化工集団有限公司,北京,100728
About Hu Wenrui
About 中国石油咨詢中心,北京,100724
About Sun Lili
About 中国石化工程建設有限公司,北京,100101
About Zhang Xiudong
About 中国石化工程建設有限公司,北京,100101
About Gongcheng Yanjiu--Kua Xueke Shiye Zhong De Gongcheng
About petrochemicals
About Petroleum industry in general
About 石
About 知識
About 研究