Catherine Belton, Dispute puts Gazprom China pipeline on hold. Financial Times, June 18, 2009. http://www.ft.com/cms/s/0/a671c626-5b65-11de-be3f-00144feabdc0.html?nclick_check=1
(The two sides have not been able to agree on prices: "Gazprom had hoped to persuade China to purchase gas at prices equivalent those paid by Europeans.")
Note: Gazprom http://en.wikipedia.org/wiki/Gazprom
(The largest oil and gas company in the world, the company was privatized in 1994, with the state holding 40 percent