HONG KONG (AFX-ASIA) – Beijing Datang (991.HK) director and company secretary Yang Hongming said the company will spend 11 billion yuan to double capacity to 12,539 megawatts in 2006 from the current 6,170 megawatts. (US$1=8.27 yuan). He said the company had cash on hand of 4 billion yuan at the end of last year, with…