GENEVA, May 11 -- CHINA PETROLEUM & CHEMICAL CORPORATION (No. 22 Chaoyangmen North StreetChaoyang District, Beijing 100728), 中国石油化工股份有限公司 (中国北京市朝阳区朝阳门北大街22号), SINOPEC NANJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD. (No. 699 Geguan Road, Jiangbei New Area DistrictNanjing, Jiangsu 210048), 中石化南京化工研究院有限公司 (中国江苏省南京市江北新区葛关路699号), EAST CHINA UNI...