Top 10 innovators in China 2013

By Wang Zhiyong
0 Comment(s)Print E-mail China.org.cn, March 6, 2014
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 527 patents to PetroChina Co., Ltd. 中國石油

PetroChina Co., Ltd.,

PetroChina Co., Ltd. [File photo]
PetroChina Company Limited is China's biggest oil producer. Headquartered in Beijing, it's the listed arm of state-owned China National Petroleum Corporation (CNPC) and traded in Hong Kong, New York and Shanghai.

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