... worker good RD,QC,design,material big product capacity precision fork part machining:1) Materials: grey iron, ductile iron, malleable ... foundry used): elongation tester, hardness tester, metallographic microscope, spectrometer, PC thermometer, CE NSP-550CS heat analysis instrument, molding sand testing equipment ... .wills-machineTel: 0086-411-83701520Fax:0086-411-83704610 precision fork part machining