Singapore Exchange-listed China Petrotech Holdings Limited, a leading provider of technical solutions to China’s oil and gas industry said its group net profit increased to RMB14.3 million for the quarter ended September 30, reversing a loss of RMB1 million in the previous corresponding period. (US$1=RMB8.27).   Group revenue increased RMB18.7 million from RMB303,000, driven mainly…