Trusty was founded in 2010, located in Zhong shan city, Guangdong province. Our main products include Ozone filter, Formaldehyde VOC filter, Grease filter, Odor filter etc. Our filters are widely applied to printing & copying equipment, air purifier, medical equipment, commercial kitchen, ventilation&environmental projects etc. Our company has passed ISO19001:2015 quality management system certificate, products have SGS, RoHS, UL certificate.