Inquiry (采购产品): metal balls Our lab need many metal balls, with diameter from 2 micron meters to 50 micron meters. The grade is not very critical. Do you have this kind of product in stock or could you make some customized? **** Hidden Message ***** jingbo liu 77005 Company: Rice University E-mail: jbliu@rice.edu **** Hidden Message ***** jbliu@rice.edu