BEIJING (AFX-ASIA) – Shenzhen Energy Investment Co Ltd (SZA 000027) said its first-quarter net profit rose 44.84% to 164.2 million yuan from 113.37 million yuan a year earlier, largely due to higher electricity sales. (US$1=8.27 yuan). Core revenue increased 49.79% to 1.298 billion yuan in the first three months, against 866.29 million yuan in the…