Congress Secretarit

第39个国际同步电话总机
c/o Congress Corporation
3-6-13 Awajmachi，Chuo-ku，Osaka541-0047，Japan
Tel:+81-6-26229-2561/+81-6-6229-2555
传真：+81-6-26229-2556
电子邮件：dioxin2019@congre.co.jp