PetroChina Co Ltd 00857.HK

PetroChina is a Chinese oil and gas company based in Beijing. Founded in 1999, it is owned by the China National Petroleum Corporation. PetroChina is one of the largest energy companies in the world and is ranked 30th on the Forbes Global 2000 list. In 2009, PetroChina purchased a liquified natural gas field in Australia from ExxonMobil. This purchase for A$50 billion was one of the largest-ever transactions between China and Australia.

PetroChina stock, ticker symbol 0857.HK, is available on the Hong Kong Stock Exchange, the New York Stock Exchange and the Shanghai Stock Exchange. The company went public in 2007 with a price per share of $6.52. This gave PetroChina a market capitalisation of over $1 trillion, making it the first company to ever reach the $1 trillion threshold.

Several oil spills and blunders have plagued PetroChina throughout its history. A 2005 chemical spill in Jilin caused 4 million people to lose access to water for a period of five days. Six people were killed in the accident. Another spill occurred in 2014, this time of ammonia. The nearby town of Lanzhou suffered from heavy air pollution and a contaminated water supply.

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