HONG KONG (AFX-ASIA) – Hong Kong-listed China Gas Holdings Limited has announced a share placement and top-up by a substantial shareholder to raise net proceeds of HK$130 million. (US$1=HK$7.78). Heng Fung Holdings Ltd, which owns 23.61% of the company’s existing issued share capital, will place a total of 160 million shares at HK$0.84 each to…