Stainless steel ballmaterial: stainless steel(AISI302~316,AISI420~440C etc.)size: 0.5mm-250mmgrade: G40-G1000certificate: ISO-9002,TS-16949,GB308-2002good wearing, high corrosion resistance ,excellent ...
Zhongshan H.R.T. precision steel ball Co., Ltd
Main Products: steel ball... More