... 2) we are the factory of manufacturing products. brass rolling balls for cosmetic package1) We are specialize in producing plastic balls ... 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,and so onRoll on ...