... of manufacturing products. 1) we are specialize in producing stainless steel balls. The balls have good surface,and precision.2) ... 4) Honest And Trustworthy Enterprise. Product nameSpecificationMaterialApplicationSolid ball1mm-60mmPP,PE,ABS,POM,PA,PMMATrackball,Ball valve,Bearing ball, Roll ... on ball,and so onHollow ball10mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball, ...