According to the data from China Securities Depository and Clearing Corporation, as of 16:00 on April 6, 2006, the number of pre-offered shares of Qilu Petrochemical, Yangzi Petrochemical, China Crude Oil and PetroChina Daming had reached 33-200,000 shares, respectively. 6161 million shares, 230,600 shares and 238,000 shares, which accounted for 214%, 289%, 140%, and 134% of the minimum number of shares required for the offer to take effect. So far, Sinopec, which lasted for 30 days, has made a successful bid for the four companies.