(EnergyAsia, July 12) — German chemicals giant BASF and China Petroleum & Chemical Corporation (Sinopec Corp) this week signed a $500 million agreement to expand their joint chemical Verbund site in Nanjing city. The agreement was signed by Chen Tonghai, Sinopec chairman, and BASF chairman JŸrgen Hambrecht, in Berlin.   “The expansion of BASF-YPC Co….