China's biggest oil and gas producer PetroChina hopes to raise more than $9bn for its Shanghai Stock Exchange listing.
The offering would beat the previous $8.9bn record set by Shenhua Energy.
PetroChina's shares in Hong Kong have shot up by more than 25% this month in anticipation of its listing on China's mainland stock market.
China's biggest oil and gas producer PetroChina hopes to raise more than $9bn for its Shanghai Stock Exchange listing
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