Modules built by CNOOC for an LNG Canada project are loaded on a vessel berthed in Qingdao, Shandong province, on March 7. ZHANG JINGANG/FOR CHINA DAILY China National Offshore Oil Corp, the nation's top offshore oil and gas driller, has delivered its last two modules constructed in Qingdao, East China's Shandong province, and built for Shell-led LNG Canada, which marks …