Our business has been focusing on brand strategy. Customers' pleasure is our best advertising. We also offer OEM company for Passive Air Inlet Vent, Hog Barn Ventilation Systems , Tunnel Doors Ventilation System , Curtain Drive Machine ,Drive Solutions For Feeding Line . We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Barcelona , Burundi ,Greece , Argentina .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.