We emphasize enhancement and introduce new solutions into the market just about every year for 6.5 Horn Surround Repair Kit, 7"Speaker Surround Repair Kit , Speaker Cone , Cone Paper ,6.5"Speaker Surround . Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,Sydney, Portland,Berlin, Munich.Our stock have valued 8 million dollar , you can find the competitive parts within short delivery time. Our company is not only your partner in business, but also our company is your assistant in the coming corporation.