Company profile

Business Organization with state-of-the-art Metal mold technology to create something from nothing.

Since the foundation of Yamaguchi Seiki Kogyo Co., Ltd. on 1968, Company has been focusing on the business for the Mold design and production . Here is Yamaguchi-seiki’s basic information.
Company name Yamaguchi Seiki Kogyo Co., Ltd.
President Yamaguchi Taichi
Address Fukutomi Nagata 1-1, Gifu-City, Gifu-Prefecture 501-2564, Japan
Phone・FAX Phone:+81-58-229-5558 / FAX:+81-58-229-5556
URL https://www.y-s.co.jp/wp/
E-mail yamaguchi-seiki@y-s.co.jp
number of Employee Regular 150 (Total 180)
Foundation 1968
Capital 80,000,000 JPY ($1million)
Business range Mold design and manufacturing for automotive plastic parts(80 to 3500 tonnage)
Land area 18,078㎡
Plant area 8,439㎡
Main customer
〈Interior,Exterior and General parts〉
  • Asahi Kasei Chemicals Corporation
  • Ikuyo Co., Ltd.
  • Uchihama Kasei Co., Ltd.
  • Kasai Kogyo Co., Ltd.
  • Kawamura-Kako Co., Ltd.
  • Kanto Kasei Co., Ltd.
  • Kanto Manufacturing Corporation
  • Sankei Giken Kogyo Co., Ltd.
  • Sanko Co., Ltd.
  • Sanwa Industry Co., Ltd.
  • SSIOTEC Co., Ltd.
  • Shigeru Co., Ltd.
  • CCB Co., Ltd.
  • SNIC Co., Ltd.
  • Daikyo Nishikawa Corporation
  • TGAP Co., Ltd.
  • TG-Techno Co., Ltd.
  • TOKAI RIKA Co., Ltd.
  • Toyoriko Co., Ltd.
  • Toyota Boshoku Corporation
  • Toyota Boshoku Tohoku Corporation
  • Toyoda Gosei Co., Ltd.
  • Toyoda Gosei UK Ltd.
  • Trinity Industrial Corp.
  • NANJO Auto Interior Co., Ltd.
  • NISSEN CHEMITEC CORPORATION
  • BASF Japan Ltd.
  • Japan Plastics Technologies Co., Ltd.
  • Vuteq Corporation
  • Fuji Seat Co., Ltd.
  • Howa Co., Ltd.
  • Moriroku Technology Co., Ltd.
  • Yazaki Kako Corporation
Main customer
〈Bumpers・Instrument panels〉
  • Kawanishi Paint Co., Ltd.
  • Kuroda Auto-Tech(Thailand) Co., Ltd.
  • Sankei Giken Kogyo Co., Ltd.
  • Suzuki Motor Corporation
  • Subaru Corporation
  • Daihatsu Motor Co., Ltd.
  • Daihatsu Motor Kyushu Co., Ltd.
  • Toyota Motor Corporation
  • Toyota Motor Europe NV/SA
  • Toyota Motor Engineering & Manufacturing North America, Inc.
  • Toyota Motor Kyushu. Inc.
  • Toyota Motor East Japan. Inc.
  • Toyota Industries Corporation
  • Toyota Auto Body Co., Ltd.
  • Toyoda Gosei Co., Ltd.
  • Nissan Motor Co., Ltd.
  • Hino Motors, Ltd.
  • Honda Motor Co., Ltd.
  • Mazda Motor Corporation
  • Mitsubishi Motors Corporation
  • Yachiyo Industry Co., Ltd.

Organization chart