Gold Index: 7200
Fenghua Jinying Ball Of Steel Co., Ltd. [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Ningbo Province/State: Zhejiang Country/Region: China (Mainland)
casting grinding ball
AISI52100 ISO STANDARDGrade: G10Diamter: 2.0-6.35mmHRC: 62-66Noise: 26-30db...
2010-10-22
mini grinding steel ball
the main steps to produce the ball: heading,polishing,heat treament,grinding,lapping,packingThe standard:GB/T308-2002, ISO3290-1998, AISI/ASTM5210