Xiamen Xlong Seal Co., Ltd. is located in Xiamen City. Our company is a leading seal manufacturer in China. Our factory is located in Ningbo City and has more than 200 workers who have many years' experience in seal production. We have our own mold factory to reduce costs for our clients. All of our materials are bought from DuPont, Bayer and Dow Corning. Our seal products include O-rings, X-rings, back up rings, U-rings, V-rings, oil seals and bonded seals.Our main products are O-rings. We supply all molds as per standard sizes of AS-568 and BS1516. We don't require tooling charges from clients and can produce as per your requirements.We have a technical department and are glad to solve your seal problems. Please feel free to contact us for further information.