|
Leung Fai, Philip Yu
|
China National Materials Co. Ltd.
|
|
Mingqing Yu
|
China National Materials Co. Ltd.
|
|
Shiliang Yu
|
China National Materials Co. Ltd.
|
|
Zhengzhang Zhao
|
Petrokazakhstan Inc.
|
|
Zhou Ziping
|
Petrokazakhstan Inc.
|
|
jiemin jiang
|
Petrokazakhstan Inc.
|
|
Yan Ping Liu
|
China National Materials Co. Ltd.
|
|
Guoliang Wang
|
Petrokazakhstan Inc.
|
|
Jianguo Wang
|
China National Materials Co. Ltd.
|
|
Lixin Wang
|
Petrokazakhstan Inc.
|
|
Yilin Wang
|
Petrokazakhstan Inc.
|
|
William Yi Wei Wang
|
China National Materials Co. Ltd.
|
