A worker inspects the polypropylene non-woven fabric production line of CNPC Hohhot Petrochemical Co on Feb 7. The company completed its 3,000-ton polypropylene non-woven fabric raw material production task on the day, three days ahead of schedule. The materials have been delivered to non-woven fabric manufacturers in places including Hebei province, Shandong province and Tianjin for the processing of masks and medical protective clothing for the prevention and control of the novel coronavirus pneumonia (NCP). [Photo/Xinhua] 

Staff members check the quality of polypropylene non-woven fabrics, on Feb 7. Polypropylene non-woven fabric is an important raw material for the production of medical and sanitary products such as masks, medical protective clothing and baby diapers. One ton of raw materials can produce about 250,000 germ-proof masks. [Photo/Xinhua]