... 2.roundness tolerance is 0.002 or lower plastic injection moulding machine parts Yize mainly engages in design and ... with precise produce.4. With 5 years machine parts processing experience .machine parts Manufacturer, Supplier, Factory, Exporter in chinatype ... precision less than 0.0055)utilization scope : precision punch mold, precision plastic mold, precision auto mold, precision medical mold, ...