Manufacture and supply test tube, the details as follows:
1231 without rim
10*75mm,10*100mm,12*75mm,12*100mm,13*100mm,15*100mm,18*150mm,18*180mm,21*15 0mm,25*180mm etc..
1232 with rim
10*75mm,10*100mm,12*75mm,12*100mm,13*100mm,15*100mm,18*150mm,18*180mm,21*15 0mm,25*180mm etc..
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