CORPORATE Group Companies (Domestic)
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Head Office /
Production Bases
| Riken Corporation /Head office | 8-1, Sanbancho, Chiyoda-ku, Tokyo, 102-8202, Japan |
|---|---|
| TEL:(81)3-3230-3911 | |
| Nippon Piston Ring Co., Ltd. /Head office | 5-12-10, Honmachi-Higashi, Chuo-ku, Saitama City, Saitama, 338-8503, Japan |
| TEL:(81)48-856-5011 | |
| Riken Corporation /Kashiwazaki Plant (Kashiwazaki) | 1-37, Hokuto-cho, Kashiwazaki City, Niigata, 945-8555, Japan |
| TEL:(81)257-23-3113 | |
| FAX:(81)257-23-0723 | |
| Riken Corporation /Kashiwazaki Plant (Tsurugi) | 949-1, Shimosakai, Tsurugi, Kashiwazaki City, Niigata, 945-0105, Japan |
| TEL:(81)257-22-5959 | |
| FAX:(81)257-22-0210 | |
| Riken Castec Co., Ltd. | 4-28, Hokuto-cho, Kashiwazaki City, Niigata, 945-0027, Japan |
| TEL:(81)257-24-2431 | |
| FAX:(81)257-21-8971 | |
| URL:http://www.ricastec.co.jp/ | |
| Riken Kikai Co., Ltd. | 7577, Yasuda, Kashiwazaki City, Niigata, 945-1352, Japan |
| TEL:(81)257-22-6158 | |
| FAX:(81)257-22-7911 | |
| URL:http://www.r-kikai.com/ | |
| Riken EP Corporation | 7577, Yasuda, Kashiwazaki City, Niigata, 945-1352, Japan |
| TEL:(81)257-32-3577 | |
| Nihon Mekki Industry Co., Ltd. | 3-2-62, Tatsuka, Kashiwazaki City, Niigata, 945-0032, Japan |
| TEL:(81)257-23-6257 | |
| FAX:(81)257-23-6259 | |
| URL:http://www.nihon-mekki.co.jp/ | |
| Kashiwazaki Piston Ring Co., Ltd. | 3-2-51, Tatsuka, Kashiwazaki City, Niigata, 945-0032, Japan |
| TEL:(81)257-24-6611 | |
| FAX:(81)257-24-5661 | |
| Riken Corporation /Kumagaya Plant | 4-14-1, Suehiro, Kumagaya City, Saitama, 360-8522, Japan |
| TEL:(81)48-521-3511 | |
| FAX:(81)48-524-8110 | |
| Riken Environmental System Co., Ltd. | 4-14-1, Suehiro, Kumagaya City, Saitama, 360-0031, Japan |
| TEL:(81)48-525-7233 | |
| FAX:(81)48-526-2177 | |
| URL:http://www.riken-kankyo.com/ | |
| RIKEN HEAT TECHNO Corporation | 4-14-1, Suehiro, Kumagaya City, Saitama, 360-0031, Japan |
| TEL:(81)48-521-5471 | |
| FAX:(81)48-521-5467 | |
| URL:https://www.riken-heat-techno.co.jp/ | |
| Riken Kumagaya Kikai Co., Ltd. | 4-14-1, Suehiro, Kumagaya City, Saitama, 360-0031, Japan |
| TEL:(81)48-522-0073 | |
| FAX:(81)48-525-7152 | |
| CK Riken JV Co., Ltd. | 2-12-1, shugomachi, Takaoka City, Toyama, 933-0983, Japan |
| TEL:(81)766-21-1448 | |
| FAX:(81)766-22-5830 | |
| NIPPON PIPE FITTING Corp. | 153-1, Tajimecho Kishiwada City, Osaka, 596-0805, Japan |
| TEL:(81)72-445-0285 | |
| FAX:(81)72-445-0291 | |
| URL:http://www.nippon-pf.co.jp/ | |
| Nippon Piston Ring Co., Ltd. /Tochigi Plant | 1111 Nogi, Nogi-machi, Shimotsuga-gun, Tochigi, 329-0114, Japan |
| TEL:(81)280-57-1111 | |
| FAX:(81)280-57-2622 | |
| Nippon Piston Ring Co., Ltd. /Nogi Branch of Tochigi Plant | 141-5 Nogi, Nogi-machi, Shimotsuga-gun, Tochigi, 329-0114, Japan |
| TEL:(81)280-57-1115 | |
| FAX:(81)280-57-1045 | |
| NPR Fukushima Works Co., Ltd. | 1 Iizaka aza Maenakai, Kawamata-machi, Date-gun, Fukushima, 960-1401, Japan |
| TEL:(81)24-565-5111 | |
| FAX:(81)24-566-5583 | |
| NPR Iwate Co., Ltd. / Ichinoseki Plant | 14-42 Higashidai, Ichinoseki City, Iwate, 021-0822, Japan |
| TEL:(81)191-31-2111 | |
| FAX:(81)191-31-2123 | |
| NPR Iwate Co., Ltd. / Senmaya Plant | 300-5 Senmaya aza Nishikoda, Senmaya-cho, Ichinoseki City, Iwate, 029-0803, Japan |
| TEL:(81)191-53-2011 | |
| FAX:(81)191-53-2821 |
Sales base
| Riken NPR Co., Ltd. / East Japan Sales Division (Saitama Head Office) |
5-12-10, Honmachi-Higashi, Chuo-ku, Saitama City, Saitama, 338-8503, Japan |
|---|---|
| TEL：(81)48-856-5030 | |
| FAX：(81)48-856-5039 | |
| Riken NPR Co., Ltd. / East Japan Sales Division (Kanagawa Sales Office) |
4-14-1 Nakacho, Atsugi City, Kanagawa 243-0018, Japan |
| TEL: (81)3-6693-3965 | |
| FAX: (81)50-3145-8527 | |
| Riken NPR Co., Ltd. / Central Japan Sales Division (Hamamatsu Sales Office) |
325-6 Sunayama-cho, Naka-ku, Hamamatsu City, Shizuoka 430-0926, Japan |
| TEL: (81)53-546-1155 | |
| FAX: (81)53-546-1156 | |
| Riken NPR Co., Ltd. / Central Japan Sales Division (Nagoya Sales Office) |
1-13-26 Nishiki, Naka-ku, Nagoya City, Aichi 460-0003, Japan |
| TEL: (81)52-201-8681 | |
| FAX: (81)52-201-5057 | |
| Riken NPR Co., Ltd. / West Japan Sales Division (Osaka Sales Office) |
4-1-1 Korai-bashi, Chuo-ku, Osaka City, Osaka 541-0043, Japan |
| TEL: (81)6-4706-6720 | |
| FAX: (81)6-4706-6702 | |
| Riken NPR Co., Ltd. / West Japan Sales Division (Hiroshima Sales Office) |
8-8 Kami-Hacchobori, Naka-ku, Hiroshima City, Hiroshima 730-0012, Japan |
| TEL: (81)82-228-2244 | |
| FAX: (81)82-228-7967 | |
| Riken NPR Co., Ltd. / Overseas Sales Division (Saitama Head Office) |
5-12-10, Higashi-Honcho, Chuo-ku, Saitama City, Saitama 338-8503, Japan |
| TEL: (81)48-856-5028 | |
| FAX: (81)48-856-5039 | |
| Riken Corporation / Global Sales Division (Inside Riken NPR Saitama Head Office) |
5-12-10, Higashi-Honcho, Chuo-ku, Saitama City, Saitama 338-8503, Japan |
| TEL: (81)3-3230-3923 | |
| FAX: (81)3-3230-3432 | |
| Nippon Piston Ring Co., Ltd. / Global Sales Division (Inside Riken NPR Saitama Head Office) |
5-12-10, Higashi-Honcho, Chuo-ku, Saitama City, Saitama 338-8503, Japan |
| TEL: (81)48-856-5022 | |
| FAX: (81)48-856-5038 | |
| Riken Corporation / Piping Components Division, East Japan Sales Department, Tokyo Sales Office (Inside Riken NPR Tokyo Head Office) |
8-1 Sanbancho, Chiyoda-ku, Tokyo 102-0812, Japan |
| TEL: (81)3-3230-3920 | |
| FAX: (81)3-3230-3431 | |
| Riken Corporation / Piping Components Division, East Japan Sales Department, Sapporo Sales Office |
6-4-10 Naka 2-jo, Shiroishi-ku, Sapporo City, Hokkaido 003-0012, Japan |
| TEL: (81)11-865-1919 | |
| FAX: (81)11-865-1918 | |
| Riken Corporation / Piping Components Division, East Japan Sales Department, Sendai Sales Office |
3-10-10 Nakakura, Wakabayashi-ku, Sendai City, Miyagi 984-0821, Japan |
| TEL: (81)22-237-0734 | |
| FAX: (81)22-237-0733 | |
| Riken Corporation / Piping Components Division, East Japan Sales Department, Nagoya Sales Office |
1-13-26 Nishiki, Naka-ku, Nagoya City, Aichi 460-0003, Japan |
| TEL: (81)52-201-8681 | |
| FAX: (81)52-201-5057 | |
| Riken Corporation / Piping Components Division, East Japan Sales Department, Osaka Sales Office |
4-1-1 Korai-bashi, Chuo-ku, Osaka City, Osaka 541-0043, Japan |
| TEL: (81)6-4706-6768 | |
| FAX: (81)6-4706-6758 | |
| Riken Corporation / Piping Components Division, West Japan Sales Department, Fukuoka Sales Office |
3-12-1 Hakataekihigashi, Hakata-ku, Fukuoka City, Fukuoka 812-0013, Japan |
| TEL: (81)92-474-0762 | |
| FAX: (81)92-472-6865 | |
| Nippon Piston Ring Co., Ltd. / NRS Sales Division, Tokyo Office |
5-12-10, Higashi-Honcho, Chuo-ku, Saitama City, Saitama 338-8503, Japan |
| TEL: (81)48-856-5201 | |
| FAX: (81)48-856-5205 | |
| Nippon Piston Ring Co., Ltd. / NRS Sales Division, Nagoya Office |
1-13-26 Nishiki, Naka-ku, Nagoya City, Aichi 460-0003, Japan |
| TEL: (81)48-856-5201 | |
| FAX: (81)48-856-5205 | |
| Nippon Piston Ring Co., Ltd. / NRS Sales Division, Osaka Office |
4-1-1 Korai-bashi, Chuo-ku, Osaka City, Osaka 541-0043, Japan |
| TEL: (81)6-7650-7101 | |
| FAX: (81)48-856-5205 | |
| Nippon Piston Ring Co., Ltd. / NRS Sales Division, Fukuoka Office |
3-12-1 Hakataekihigashi, Hakata-ku, Fukuoka City, Fukuoka 812-0013, Japan |
| TEL: (81)92-474-0761 | |
| FAX: (81)92-472-6865 | |
| Nippon Piston Ring Co., Ltd. / NRS Sales Division, Sendai Office |
3-10-10 Nakakura, Wakabayashi-ku, Sendai City, Miyagi 984-0821, Japan |
| TEL: (81)22-237-0731 | |
| FAX: (81)22-237-0733 | |
| RKE Co., Ltd. | 1-3-17, Arahama, Kashiwazaki City, Niigata, 945-0017, Japan |
| TEL:(81)257-22-0020 | |
| FAX:(81)257-22-0772 | |
| URL:http://pv-rke.co.jp/ | |
| Riken Trading Co., Ltd. | 8-1, Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan |
| TEL:(81)3-5812-2761 | |
| FAX:(81)3-5812-2762 | |
| URL:http://www.riken-shouji.co.jp/ | |
| Yaesu Trading Co., Ltd. | 8-1, Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan |
| TEL:(81)3-6272-9412 | |
| FAX:(81)3-6272-9422 | |
| Shinwa Vanes Co., Ltd. | 3-32-42, Higashishinagawa, Shinagawa-ku, Tokyo, 140-0002 Japan |
| TEL:(81)3-6712-3590 | |
| FAX:(81)3-6712-4380 | |
| URL:https://vanes.co.jp/ | |
| Normeca Asia Co., Ltd. | 3-1-13, Ryutsudanchi, Koshigaya City, Saitama, 343-0824, Japan |
| TEL:(81)48-967-5372 | |
| FAX:(81)48-967-5378 | |
| URL:https://www.normeca-asia.jp/index.html |
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