Workers check the newly produced contact lenses in a factory of the CST Automation Technology CO., LTD, a non-public enterprise, in Baiyin City, northwest China's Gansu Province, Oct. 31, 2013. The non-public economy, which occupies 59.49 percent of the whole registered capital in Baiyin City, develops fast in recent years and has become an important motor for local economic development now. [Xinhua] |