Purchase Qty. Reference FOB Price
20-99 Sets US$52.50
100-599 Sets US$49.90
600+ Sets US$47.50
Product Description
Specifications the unground ball is suitable for milling all kinds materials; the grinding and polishing ball is suitble for precision punching member stretched, precision bearings,instruments,meters,Pen, spraying machines,pumps,machinery parts,valve seals,brake pump,squeeze-hole punch, ...