Dear Mr. Prasertsilp We have received your inquiry for an invitation letter. You will receive the letter in few days by return e-mail. If you have any questions, please contact us by e-mail: visa@achema.de. Thank you very much. With best regards DECHEMA e.V. VISA-Department Theodor-Heuss-Allee 25 60486 Frankfurt am Main Germany E-Mail: visa@achema.de Vorsitzender: Prof. Dr. Rainer Diercks Schatzmeister: Rainer Wobbe Geschäftsführer: Prof. Dr. Kurt Wagemann VR-Nr.: 73 VR 5293 Steuer-Nr.:045 250 52084 USt.-Id.-Nr.: DE 114234833