Inquiry (采购产品): Water Treatment Products Dear Srs. we are an ultrasonic laboratory and we are interested in the aquisition of piezoelectric ceramics. Typically we request ceramics pices 30 mm diameter with a central hole of 12.75 mm and 4-6 mm thickness. We need a high Q value for our ceramics. please will you send us a catalogue to study the ceramics that you make?. Best regards Luis Gaete Garretn **** Hidden Message ***** Luis Gaete Garretn, Univeersidad de Santiago de Chile, Av. Ecuador 3493 Santiago 917-0124 CHILE, (562) 7181271, (562) 7769596, Country:Chile **** Hidden Message ***** luis.gaete@usach.cl