"Control the standard by the details, show the toughness by quality". Our firm has strived to establish a highly efficient and stable workers workforce and explored an effective high-quality management system for 4 Passive Radiator, 19"Edge Folded Ring Surround Repair Kit , Paper Cone With Rubber Surround , Concave Dust Cap For Speaker ,Subwoofer Rubber Edge Kit . Sincerely look forward to serving you in the near future. You are sincerely welcome to visit our company to talk business face to face with each other and establish long-term co-operation with us! The product will supply to all over the world, such as Europe, America, Australia,Frankfurt, Czech Republic,French, Niger.During in 11 years, We've participated in more than 20 exhibitions, obtains the highest praise from each customer. Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !