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GSI Creos Corporation
3-1 Kudan-Minami
2-Chome, Chiyoda-Ku
Tokyo 102-0079
Phone: ++81 3 5211 1807
Fax: ++81 3 5211 1903
Website: www.gsi.co.jp

TGK Tokyo Garasu Kikai Co
5-10 Kajicho
2-Chome, Chiyoda-Ku
Tokyo 101-0044
Phone: ++81 (03) 3252 3461
Fax: ++81 (03) 3252 5458
Website: www.tgk.co.jp