PetroChina Company Limited is the largest Chinese oil company with a network of over 18,000 filling stations, making it one of the largest listed companies in the world.
According to PetroChina's latest financial reports the company has a price-to-book ratio of 0.495651. The price-to-book ratio is a way to measure how much the stock market thinks a company is worth compared to how much the company says its assets are worth on paper.