CLEAN POWER: The photovoltaic power project of CNPV Dongying Solar Power Co. Ltd., a leading integrated manufacturer of solar photovoltaic products, has generated 1.24 million kwh of electricity since December 29, 2010, when it was integrated into power grid. The project is designed to transmit 9.48 million kwh of clean electricity to the power grid annually (LIU WENZHONG)

Numbers of the Week

5.1 trillion yuan

China issued 5.1 trillion yuan ($773.3 billion) in bonds in 2010, an increase of 3.1 percent over 2009, said the People's Bank of China.

3.4 billion yuan

The aviation industry raked in net profits of 3.4 billion yuan ($516.7 million) in January, skyrocketing 611.4 percent over a year ago, said the Civil Aviation Administration of China.