Wang Haishan, the general manager of Shanghai Gao Qiao Petrochemical Company, and Chang Defen, deputy engineer of Loving Shanghai Refinery and chairman of Shanghai Petroleum Association, were both promoted to senior engineers in 1982. Advanced deeds including Wang Haishan's solution of key technical problems in oil refining production facilities and Chang Defen's participation in crude oil refining from 5 different countries and regions.