Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for Residential Suspended Ventilation System, Customized Function Modules , low temperature heat exchanger , negative pressure isolation room ,Mechanical ventilation system with heat recuperative . Our merchandise are widely recognized and trusted by users and can meet up with continuously changing economic and social needs. The product will supply to all over the world, such as Europe, America, Australia,Nepal , Hungary ,Vietnam , Georgia .We'll supply much better products with diversified designs and expert services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.