electrode wheel: 1. mainly used in seam welding machine 2.material : CuCrZr(C18150),CuCr(C18200),CuZr(C15000),CuBeNi(C17510), CuNi2SiCr(C18000) 3. produce according internationla standard strictly 4. also can produce according to drawings We are a professional factory for electrode material with a history of more than 27 years. We have export our products to many countries all over the world