continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for 12″Edge Folded Ring, 2"Foam Surround Replacement , Paper Cone With Cloth Surround , PP Cone ,16"Foam Surround Replacement . Quality is factory' life , Focus on customer' demand is the source of company survival and development, We adhere to honesty and good faith working attitude, looking forward to your coming ! The product will supply to all over the world, such as Europe, America, Australia,Netherlands, Johannesburg,French, Salt Lake City.We believe in quality and customer satisfaction achieved by a team of highly dedicated individuals. The team of our company with the use of cutting-edge technologies delivers impeccable quality products supremely adored and appreciated by our customers worldwide.