Inquiry (采购产品): base film Dear Sir, We are searching for a source for tensilized polyester basefilm for manufacture of C-90 audiocassette tape. I believe the thickness is .007mm (minimum) up to .00736mm (maximum). Does your company produce this product? If so, please furnish details. If your company does not furnish this product, can you provide the name of a manufacturer for it? Best regards, Steve Steve Stepp President National Audio Company, Inc. 417-863-1925 **** Hidden Message ***** Steve Stepp PO Box 7100 309 E Water St Springfield, MO 65806 USA Company: National Audio Company Inc Title: President Phone: 417-863-1925 Fax: 417-863-7825 E-mail: sstepp@nactape.com **** Hidden Message ***** sstepp@nactape.com