Wei Guoqi について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Jiao Guihao について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Yang Wei について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Xie Zengye について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Li Dejiang について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Xie Wuren について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Liu Mancang について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Zeng Fuying について
Langfang Branch of Petroleum Exploration and Dev. Res. Inst., Petro China, Hebei, Langfang について
Tianranqi Gongye について