Inquiry (采购产品): Molding services We are looking for a source for molded thin diaphragms surrounded by a thick frame. Typical OD is about 1.0 inch. **** Hidden Message ***** Allan Brosh CA 90402 USA Company: BITRONICS INC. E-mail: bitronicsinc@aol.com **** Hidden Message ***** bitronicsinc@aol.com