... are a manufacturer special produce the plastic ball and roll on package.We have done the products for ... 55mmPP,POM,PA(NYLON),PC,ABS,PE,HDPE and so onUsage:for ball bearing,cosmetic package,industrial ... ball,cosmetic package,industrial ,track ball,and so on plastic roll on bottle 30ml,40ml,50ml,60ml,75ml ... 180ml PP,HDPE,PE cosmetic packagemedical package glass roll on bottle25ml,30ml,45ml,50ml,75ml glass ...