Plastic bearing ball solid ball Material:PP,POM,PMMA Size:3.969mm--55mm Color:as request MOQ:200000 Plastic bearing ball solid ballThe ball diameter from:3.5mm--55mmThe solid ball can be used as ball for cosmetic bottles ,bearing ball,ball valve,trace ball1.Samples are free to offer2.Good qualtity,competitive price3.OEM offered4.MOQ:500,000pcs for samll ball.200,000pcs for big ballIf large ...