Adhering to the principle of "quality, service, efficiency and growth", we have gained trusts and praises from domestic and international client for China Air Filter Ventilation and Indoor Air Exchange, VRF systems , HRV , ventilation system heat recuperator ,indoor air quality . We are also the appointed OEM factory for several worlds' famous products brands. Welcome to contact us for further negotiation and cooperation. The product will supply to all over the world, such as Europe, America, Australia,Sri Lanka , Iraq ,Georgia , Indonesia .Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !