Hrt-1202 Steel Ball Sorting Machine Roller Sorting Machine - SteelBallFactory ( China ) - Offers to Sell and Export - Friday 26 February 2016 6:03 am - hrt 1202 steel ball sorting machine roller sorting machine main technical parameter ball size amp #966 0 1mm amp #966 2mm precision amp #8804 0 003mm roller effective classification length 460mm d...