continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 21 Foam Surround, 14"Foam Surround Repair Kit , Speaker Replacement Diaphragm Kit , 21"Horn Surround Repair Kit ,Durable Dust Cap . We also ensure that your selection will be crafted with the highest quality and reliability. Please feel free to contact us for further information. The product will supply to all over the world, such as Europe, America, Australia,Armenia, Seychelles,Jordan, Kuwait.Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.