(EnergyAsia, September 20) — German chemical giant BASF and China’s Sinopec have signed an agreement to commission a technical and commercial feasibility study for the expansion of their joint venture petrochemical project in Nanjing in China’s Jiangsu province.   Chen Tonghai, Sinopec chairman, JŸrgen Hambrecht, BASF chairman and Martin BrudermŸller, BASF board member responsible for…