(EnergyAsia, April 14) — Sinolink Worldwide Holdings Limited will sell its entire holding of 550.79 million shares of Panva Gas to Enerchina Holdings Limited, a move all three Hong Kong-listed companies said is aimed at improving shareholder value. The deal is worth HK$3.30 a share of a total of HK$1.75 billion. (US$1=HK$7.79).   The shares…