A technician calibrates automated preparations equipment, able to test 1,000 novel coronavirus nucleic acid extraction samples per day, at MGI Tech Co Ltd (MGI) in East Lake High-tech Development Zone -- also known as Optics Valley of China -- in Wuhan, the capital city of Central China's Hubei province, on Feb 14. Since the outbreak of the novel coronavirus pneumonia epidemic, companies in Optics Valley like MGI have been mobilizing to produce and contribute to the fight against the virus. Officials said that other enterprises have resumed prodcution recently. [Photo/Xinhua]