182-3 Danshi-Cho,
Takamatsu-Shi,
Kagawa 761-8041
TEL:
+81-(0)87-886-5531
e-mail: takamatsu-
1@koidekokan.co.jp

266-1 Marui,
Onohara-Cho,
Kanonji-Shi,
Kagawa 769-1615
TEL:
+81-(0)875-27-6915
e-mail:
mitoyo-
1@koidekokan.co.jp

189-2 Nobutomo,
Kita-Ku,
Okayama-Shi,
Okayama 701-0152
TEL:
+81-(0)86-292-5165
e-mail: okayama-
1@koidekokan.co.jp

2142-1
Oaza-Higashitanaka,
Komaki-Shi, Aichi
485-0826 TEL:
+81-(0)568-41-7300
e-mail: chubu-
1@koidekokan.co.jpp

2-2-3 Furukawa,
Kazo-Shi, Saitama
347-0004 TEL:
+81-(0)480-69-2271
e-mail: kanto-
1@koidekokan.co.jp

State Otemachi 501,
1-4-1 Uchikanda,
Chiyoda-Ku, Tokyo
101-0047 TEL:
+81-(0)3-3518-6355
e-mail: tokyo-
1@koidekokan.co.jp

Tokyo Head office, Koide
Kokan Co., Ltd. State
Otemachi 501, 1-4-1
Uchikanda, Chiyoda-Ku,
Tokyo 101-0047 TEL:
+81-(0)3-3518-6355
e-mail:
rd.koide@koidekokan.co.jp

126-1
Aza-Kaimochi,
Miwa,
Bungotakada-Shi,
Oita 879-0604 TEL:
+81-(0)978-22-3360
e-mail: kyusyu-
1@koidekokan.co.jp