Our factory Is a professional manufacturer of backing rings, We have used advanced production technology, greatly improved the quality of products and production efficiency. our products are of high quality and competitive prices. The material of our backing rings are Ductile iron, Carbon steel, and Stainless steel.  Our coatings can be Anti rust paint, epoxy paint, fusion bound epoxy,  hot dip galvanization, dacromet . our annual output is 10000tons. we always stick to the principle of quality first, always offer customers high quality goods, competitive prices, and excellent service.