(EnergyAsia, May 19) — Hong Kong-listed Panva Gas Holdings Limited said its net profits grew by 29.82% to HK$58 million for the quarter ended March 31 2005. (US$1=HK$7.79). The group’s turnover increased by 13.87% to HK$468 million compared with the same period last year.   The wholesale LPG business remains the group’s core business. For…