About Us Ningbo Rilson Sealing Material Co., Ltd. specializes in developing sealing materials and gaskets. Customers trust us because of high quality products and service and reasonable prices. Our products sell well not only all over the country, but also in North America, Europe, Southeast Aisa and etc . Our main products are spiral wound gaskets, ring joint gaskets and metal gaskets. They are widely used in petroleum, chemical, electrical power, metallurgy, automobile, ship building, food, paper, mining, steel and pharmacy industries. With the tenet of "quality and customer first", we warmly welcome all the friends to do business with us. Please do not hesitate to contact us .Customized Spiral Wound Gasket Machine website:http://www.rilsonsealing.com/ website2:http://www.rilsonindustry.com/