1.Material:A356 2.Process:sand casting 3.Diameter:200mm 4.Machining process 5.Certificate:ISO9001 Welcome To Shaoxing Zhenyang Machinery Co.,Ltd. Our company is specialized in professional production of non-ferrous metal casting parts.We mainly manufacture brass, bronze, aluminum bronze foundry pieces, grade aluminum, deck aluminum foundry, aluminum die casting and gravity casting and centrifugal ...