... treatment:chrome plating; 3 quantity of ball:4 pcs High quality zinc lock cylinder1.Ningbo Junhua machinery co.,ltd is ... cylinderDie casting machineThere are 6 cold chamber die cast machines and 3 hot chamber die cast machines that from ... SOLIDWORKERS2010\CAD etc;Inspection equipmentThree-coordinates measuring machine,Hardness-testing device,spectrum analyzer;MaterialADC 12,a356,A380,YL102,AlSi9Cu3, ...