1.Material:steel,alloy steel,carbon steel,stainless steel,grey iron,etc. 2.Surface:mirror polishing 1. Investment casting/precision casting/sand casting/die casting/lost wax casting.2. Material: carbon steel, alloy steel, stainless steel, grey iron, ductile iron, aluminium, etc.3. Weight: 0.5kg-500kg.4. Standard: AISI, ASTM, DIN, GB, BS, JIS, NF, AAR.5. Software for specification drawings: PDF, ...