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Business Assurance Division

Address 4-7, Kioi-cho, Chiyoda-ku, Tokyo, 102-8567, Japan
E-Mail idd@classnk.or.jp
Staff Information
Executive Vice President/ Director of Business Assurance Division  Yoshiya Yamaguchi +81-90-1112-4229 
Manager  Shigeru Ida +81-90-1423-7859