8 inch wafer ring frame can be very good to fix the wafer in the frame box so that it will not be able to get expensive wafers to scratch and scratch the flowers during the production process. Its raw material is made of high quality SUS420J2 material manufacturing, roughness, hardness, bending, can KangFuXing superior, prevent scratch ability etc, and at the same time surface after polishing, inferior smooth, special processing, such as nickel plating adhesion can keep clean and shiny and beautiful!