... 2.EDM and grinding tolerance+/-0.002mm punch mould parts companyBriefly Description 1. machined part's material:SKD11, ... with precise produce.4. With 5 years machine parts processing experience .machine parts Manufacturer, Supplier, Factory, Exporter in chinaType ... precise EDM parts with precision less than 0.0055)utilization scope : precision punch mold, precision plastic mold, precision auto mold, ...