Inquiry (采购产品): W9 - Tax ID Number Please fax a copy of your W9 (tax ID number) to 972-332-9432 to Katy Morales, Master Data Coordinator. My company is trying to update vendor records. **** Hidden Message ***** Katy Morales 1601 W LBJ Fwy Dallas, TX 75234 USA Company: Celanese Title: MDC Coordinator Phone: 972-443-8241 Fax: 972-332-9432 E-mail: kmmorales@celanese.com **** Hidden Message ***** kmmorales@celanese.com