- KIKUCHI SHEET KOGYO CO., LTD.
- Address:3-7-34, Imazunaka,
- GONDA METAL INDUSTRY CO., LTD.
- Address:1-1-16, Miyashimo, Chuo-ku
- Kowa Trade and Commerce Co., Ltd.
- Address:5F, Reoma Bldg., No.10-6, Mita 2-Chome
- SHINX CORPORATION CO.,LTD.
- Address:4057-2, Nakatsuazasakuradai, Aikawamachi,
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