Yinxing Energy in Ningxia Hui Autonomous Region reported a net income down 11.7% to CNY 31.72 million (US$ 4.84) in 2010 and the basic earnings per share fell 11.75% to CNY 0.13 (US$ 0.02) despite a 28.92% rise in sales revenues to CNY 1.02 billion (US$156 million).

The company claimed the loss from the technical updates, design optimization and the fierce market competition.