Along with the "Client-Oriented" small business philosophy, a rigorous high-quality handle system, highly developed producing machines and a powerful R&D group, we always supply high-quality products and solutions, fantastic services and aggressive costs for negative pressure airflow, heat recuperitive , Floor ERV , Mechanical ventilation system ,crossflow plate heat exchanger factory . Teamwork is encouraged at all levels with regular campaigns. Our research team experiments on various developments in the industry for improvement in the products. The product will supply to all over the world, such as Europe, America, Australia,Malaysia , Swiss ,Mexico , Dominica .Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.