Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for Exhaust Fans For Livestock, Zigzag Spring For Fabric Fastening , Planetary Gear Motor , Rack And Pinion Tunnel Door System ,Ceiling Inlets For Poultry House Ventilation . We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Peru , Qatar ,Tanzania , Myanmar .With nearly 30 years' experience in business, we are confident in superior service, quality and delivery. We warmly welcome customers from all over the world to cooperate with our company for common development.