... ISO qulified company Production name1/4 inch steel ball for bicycle spare partssize1/4",3/16",5/32",1/ ... use of through hardened balls2,the most common applications include furniture wheels,bearings for darwers,locks,grease,nipples,sliding,blocks,toys ... discuss against when specific order confirmedDelivery timeusually 20 days for one 20ft containeror discuss when order confirmedPort of loadingQING ...