In 2009, CEA undertook the appraisal project of the case of Sinopec Corp.’s acquisition of offshore block 18 of Angola located in Lower Congo Basin, owned by Sinopec Group. The underlying amount exceeded RMB 10 billion. The acquisition marked the first time that Sinopec Corp. acquired a number of overseas oil and gas assets of its parent company. CEA leveraged its rich experience of appraising overseas oil and gas assets and completed the appraisal work successfully, winning praises for many times from clients.