Your reliable partner for air purifiers and related heathcare products! GreenTree (formerly Puliheng) innovates, develops and manufactures topnotch air & water purifiers in industry since 2008, that positively impact everyday the lives and health of people throughout the world - all while protecting the environment.GlenTree portfolio includes home air purifiers, car air purifier, personal portable air purifiers, water purifiers, commerical ozone generators and aroma diffusers. All our products can be specifically customized to meet customers unique requirements.As an air and water purifier manufacturer / suppliter in China, GlenTree also offers customers an opportunity to work with our experienced engineers on the design of an air purifier from scratch for a product or solution that is truly customized.Based on technologies like Ion / Ionic / Ionizer / Ionization, Ozone / Ozonic / Active Oxygen / O3, UV Inactivation, Plasma Pure, and HEPA filter etc, We proudly manufacture products in our Hangzhou facility, where our dedicated team makes the highest quality air and surface purifiers.GlenTree keeps a clear focus on its vision: to be customers top choice for unique and innovative solutions for their specific needs in air purifiers. Our success is built on lasting partnerships with our customers! We would welcome the opportunity to earn your trust and deliver you the best products and service in air purification and water sterilization industry.