(abbreviation) China Petroleum and Chemical Corporation; Sinopec

China Petroleum and Chemical Corporation, also known as Sinopec

The industry that produces chemical products from petroleum or natural gas; an abbreviation for [[石油化学工业|石油化學工業|shi2 you2 hua4 xue2 gong1 ye4]]

wood that has been fossilized and turned into stone over time while retaining its original structure

In geology, the process by which organic matter is replaced by minerals, such as silica or calcium carbonate, and turned into stone over time.