BEIJING (AFX-ASIA) – Cheung Kong Infrastructure Holdings Ltd (CKI) (HK 1038) will invest about 4.5 billion yuan in the second phase of construction on its Zhuhai power plant in China’s southern province of Guangdong, the 21st Century Business Herald reported, citing a local government official. (US$1=8.27 yuan) Zheng Weidong, vice director of the Zhuhai Economic…