Main Customers (Random order)
- Japan
- AGC Inc.
- Daihatsu Motor Co.,Ltd.
- Daihatsu Motor Kyushu Co.,Ltd.
- Daio Paper Corporation
- Enoki Corp.
- Hino Motors, Ltd.
- Hirotec Corporation
- Honda Motor Co., Ltd.
- ISEKI MATSUYAMA MFG.CO.,LTD.
- Isuzu Motors Limited.
- KEYLEX CORPORATION
- Kobe Sheet metal Industry Co.,Ltd.
- Komatsu DENGYO CO., LTD
- Mazda Motor Corporation
- Mitsubishi Motors Corporation
- Nissan Motor Co.,Ltd.
- Nissan Shatai Co., Ltd.
- Sumitomo Nacco Forklift Co.,Ltd.
- SUZUKI MOTOR CORPORATION
- TATEBAYASHI MOULDING
- TEIJIN LIMITED
- Toray Industries, Inc.
- TOYOTA AUTO BODY Co.,Ltd.
- Toyota Motor Corporation
- Toyota Motor KYUSHU, INC.
- UD Trucks Corporation
- Y-TEC CORPORATION
- Vuteq Corporation
- Other
- Over sea
- Ford Motor Company
- General Motors Company
- Magna Group
- P.T.Astra Daihatsu Motor
- perodua manufacturing sdn bhd
- Summit Autobody Industry Co.,Ltd.
- Thai International Die Making Co., Ltd.
- Vuteq Group
- Other
COMPANY PROFILE
- CORPORATE PROFILE
- GREETINGS
- 2025 SLOGAN
- HISTORY
- MAIN CUSTOMERS
- OVERSEAS EXPANSION
BUSINESS INTRODUCTION
- PRODUCT INTRODUCTION
- STAMPING DIE
- MOLDING DIE
ENVIRONMENTAL ACTIVITY
- ENVIRONMENTAL ACTIVITY



© 2025 YAMASEI CORPORATION. Address:5-31-1 Oguri,Matsuyama-city,Ehime-Pref,Japan | Tel: 089-931-2251 | Fax: 089-931-3171