We can easily usually fulfill our respected customers with our very good top quality, very good price tag and excellent support due to we have been more expert and much more hard-working and do it in cost-effective way for heat recovery core, passitive house ventilation system , Air Handling Units , negative pressure room ,Total Heat . We warmly welcome customers, business associations and friends from all over the world to contact us and seek cooperation for mutual benefits. The product will supply to all over the world, such as Europe, America, Australia,South Africa , Plymouth ,Morocco , Mauritius .More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.