Our development depends on the advanced equipment ,excellent talents and continuously strengthened technology forces for Smoke Ventilation System Manufacturers, Energy Recovery Ventilation System , heat wheels , HVAC AHUs ,Villa ventilation system . We welcome customers, business associations and friends from all parts of 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,Brasilia , Vietnam ,Denver , Germany .We have now 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export solutions to other countries. We expect to cooperate with you to develop a larger market.