Our enterprise since its inception, often regards solution excellent as enterprise life, continually strengthen output technology, enhance product high quality and continually strengthen organization total high-quality administration, in strict accordance using the national standard ISO 9001:2000 for Motorized Roll Up Curtain, Exhaust Shutter , Curved Sidewall Inlet , Negative Pressure Ventilation System ,Evaporative Cellulose Cooling Pads . The principle of our organization is usually to provide high-quality items, qualified services, and trustworthy communication. Welcome all friends to place trial order for developing a long-term small business relationship. The product will supply to all over the world, such as Europe, America, Australia,Auckland , Washington ,Israel , Mongolia .Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.