Being supported by an advanced and specialist IT team, we could give technical support on pre-sales & after-sales services for Floor ERV, Single Room Ventilation , indoor air purification , heat recuperative ventilation ,heat exchange wheel . Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,Sudan , Tanzania ,America , Latvia .We adopted technique and quality system management, based on "customer orientated, reputation first, mutual benefit, develop with joint efforts", welcome friends to communicate and cooperate from all over the world.