... 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 ... packaging1) We are specialize in producing plastic balls. Hollow plastic ball diameter10mm100mm, are mainly used in the cosmetic packaging, ... ,50ml,60ml,75ml,120mlPPCosmetic packagingOur products are good in quality with low prices.We look forward to ...