... in ChinaPlastic Injection Moulding MachinePlastic Mold,Mold MakerMold /Mould Maker for Plastic Product,OEM Mould for Product, Plastic Mold for Plastic Products ... runner.3.What material are used for the mould?We usually use the mould steel such as:S45C,S50C,P20,S136H,718 ... is used in your company for mould design,product design,CNC programming?For mould design ,we use UG,Proe,AutoCAD,Solidworks,etc. ...