Zibo Huaqu Environmental Protection Technology Co., Ltd. is engaged in the research, development and production of air filtration products for human use in the professional company for the current reality of worsening air pollution, in cooperation with the Chinese Academy of Sciences successfully launched a national intellectual property protection patent products a canal lung Shu-hua (nasal air filters). Products by the national laboratory for particle size greater than air pm0.26 [equivalent to one-tenth] pm2.5 particle pollutants, microorganisms, suspended solids, dust, pollen, car exhaust and other microscopic dust particles there are efficient barrier, adsorption, interception, filtration efficiency of 97.79%, is the patron saint of your health. China drainage technology, innovation, beyond infinity.