Hong Kong-listed Enerchina Holdings Limited (Stock Code: 622) has reported an interim net profit of HK$5.1 million for its first half operations, representing a turnaround from a loss of HK$187.8 million for the same period last year. Its consolidated turnover for the period was up 166.2% to approximately HK$187.8 million. (US$1=HK$7.78). “The encouraging performance was…