... non-bending 3.Good abrasion resistance Plastic mould making services Advantages of the product of SanQin Precision:1: High ... mainland PRODUCT INFORMATIONBrand name:San QinProduct name:Plastic mould making services Material:ELMAX, DC53, PD613, NAK80/55,etcModel Number ... material:Japan , Sweden,and GermanyGrinding angle clearness:R<0.03EDM angle clearness:R<0.05Raw material area: Sweden .JapanGrinding ...