In 2005 and 2006 the government gave sinopec ( which depends far more than does petrochina on crude bought at international prices ) subsidies totalling 15 billion yuan ( $ 2 billion ) to offset its refining losses 从2005到2006年,政府为中石化提供了150亿元人民币的补贴,抵消公司的炼油损失(与中石油相比,中石化的盈亏主要取决于国际原油市场价格浮动) 。