Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Procom Duplexer, Directivity Of Directional Coupler, Directional Coupler 70-500MHz, 90 Degree Hybrid Coupler,Bandpass Cavity Filter. We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business! The product will supply to all over the world, such as Europe, America, Australia,Morocco, Benin,Atlanta, Palestine.With good quality, reasonable price and sincere service, we enjoy a good reputation. Products are exported to South America, Australia, Southeast Asia and so on. Warmly welcome customers at home and abroad to cooperate with us for the brilliant future.