Stainless steel balls, Chrome steel balls, Carbon steel balls are our main products. In accordance with GB308-2002, ISO3290-1998, AFBMA1989, DIN5401-93, etc. Can provide high-precision, multi-standard steel balls, in the G5-G1000. AISI52100 Chrome steel ball AISI1010/1015 Low carbon steel ball AISI1085 High carbon steel ball AISI302 Stainless steel ball AISI304/304L Stainless steel ball AISI316/316L Stainless steel ball AISI420C Stainless steel ball AISI440C Stainless steel ball Steel ball size 1.588mm(1/16'') to 50.8mm(2'')