摘要
China＇s two largest oil producers, PetroChina and Sinopec Corp, recently said that the Ministry of Finance （MOF） has raised the exemption threshold on the socalled ＂windfall tax＂ on upstream oil producers to US$55 per barrel of crude oil since November 2011. The levy, described by the MOF as a ＂special oil sales charge＂,
