Shandong Port Petroleum Conference held in Qingdao

Source: Xinhua| 2019-12-02 19:12:08|Editor: ZX

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CHINA-SHANDONG-QINGDAO-PETROLEUM CONFERENCE (CN)

Guests attend the Shandong Port Petroleum Conference 2019 in Qingdao, east China's Shandong Province, Dec. 2, 2019. (Xinhua/Li Ziheng)

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