Because of their work, the company in May 8, 2007 the Soviet Union Billiton Petroleum Technology Co., Ltd. re-appointment of management positions, executive positions held by the Lee Hyo Comrade painting. 
     Comrade Wang Wang field since May 8, 2007 as the Soviet Union ceased to expand Petroleum Technology Co., Ltd manager. 
                                                                                                                        2007-8-21 
                                                                                             Restoration project in the Rio Pipeline Cleaning Co., Ltd.