Gaungzhou Trusty Filters Co.Ltd was founded in 2202 and have 15 years experience in the ozone filter.We have excellent & professional work team to going on technical test ,quality control and technology research.Our company and filter products have won a good reputation at home and aboard recent years.Our company is recogized as a specialist supplier to ozone filter facilites of many leading copy machine and industry companies in china .Our ozone filter has been develped for and applied in scores of heating,ventilating and air conditioning(HVAC) systems installed in plants and public buildings and are found protecting sensitive manufacturing processes,indoor arenas,high-tech equirments,medical facilities,gas turbines as well as food -processing,pharmaceutical and electronic facilites.Skilled and qualified staff,modern state-of-art machinery and fabricationmethods,as well as advanced research and developemant,combine with an ISO 9001 quality system certified by the German TUV quality as assurance agency to provide hundreds of excellent customers in Asia,Europe,Australia,Africa and American the best quality filter