As one of Top 500 enterprises, Sinopec has good performance in petroleum refining and chemical engineering and takes the lead in three petroleum companies. Nowadays, according to the accounting standards for business enterprises, Sinopec has released the 2015 annual performance that the net profit drops to RMB 43.3 Billion, or a decrease of 11.4%, which also keeps itself as the No.1 position of three Petroleum Companies. In particular, petroleum business realizes operation benefit RMB 21billion, and chemical engineering RMB19.7 billion.  Such profit makes up the downtrend of upstream business and show up the integration advantage of CNPC Operation.