AIDTH Industry is the main Supplier & Exporter of plastic balls in China , The products contain 0.12g BB, 0.20g 0.23g 0.25g 0.28g 0.30g 0.32g 0.43g 6mm Bio BB bullet etc .We also can supply all kinds materials, sizes and tolerances according to customer&＃039;s requirements."Customer ...