Inquiry (采购产品): Aluminum spheres I'm interested in solid Al spheres to be used for calibrating a grinding/polishing process I will be doing in my research. How small of diameter of aluminum spheres does your company produce? Also what are your prices for them? Sincerely, Paul Matlage Iowa State University **** Hidden Message ***** Paul Matlage 50011 Company: Graduate Student E-mail: pmatlage@iastate.edu **** Hidden Message ***** pmatlage@iastate.edu