- Rizen Corporation
- Rizen corporation is a company specialized in car accessories such as digital black box, answer-back security system, radar detector and etc. Which contribute to safe & fun driving under the motorized society..
- Address:1f, 1-22-15, Nakagawa-chuo, Tuszuki-ku
- B2B TRADE COMPUTERS
- Address:2-7-2 Nishi-Shinjuku, Shinjuku-Ku
- Satoh & mb Co., Ltd.
- Address:2-3-12, Ogi-machi, Miyagino-Ku
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