Diamond brand compound filter slice Our factory main produce the filter components (filter slice) Material: stainless steel, phosphor copper, brass and soft steel and so on Shape: round, rectangle, oval, crescent, semicircle etc. Technics: wrapping brim and spot welding The wrapped brim material: aluminum, stainless steel and so on. The layers of the filter: one layer, double layers, three layers and multi-layers. Our factory can also manufacture the products according to the customer抯 demands.