Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for 18 Speaker Surround, 5.25"Horn Surround Repair Kit , Subwoofer Rubber Edge , 5"Edge Folded Ring Surround Repair Kit ,Horn Edge For Theater Speakers . Welcome to go to us anytime for company partnership proven. The product will supply to all over the world, such as Europe, America, Australia,Nicaragua, Brunei,Luxemburg, Chicago.Facing fierce global market competition, we have launched the brand building strategy and updated the spirit of "human-oriented and faithful service", with an aim to gain global recognition and sustainable development.