Company Profile
Name Nihonseiki Co., LTD.
Represent­ative CEO : Masatoshi Mark Tsujimura
Managing Director : Masato Matsubara
Director : Hidenori Yoshikawa
Address 2799 Nakashidami Moriyama-ku Nagoya-City Aichi-Ken 463-0002 Japan
Business Design, manufacture of die-casting die
Production of die-casting parts
Maintenance of die-casting die
Production of aircraft parts
Capital 40 million yen
Establish­ment 1974 (Founding / 1920)
Our banks The Aichi bank, Ltd.
Ogaki Kyoritsu Bank
Seto shinkin Bank
Mizuho Bank, Ltd. MEIEKI Branch
Mizuho Bank, Ltd. NewYork Branch
Sales 1.8 billion yen / year (2018)
Member organi­zations Japan Die casting Association
Japan Die & Mold Industry Association
Meihoku Labour Standards Association
The Manten Project ("Procurement of Parts Related to Aerospace Support" Consortium)


1920 Started business in Kobe City as a mold manufacturer for rubber products
1941 Set up Nagoya Branch Factory in Kita Ward of Nagoya City, and started operation as a specialized die-cast factory
1946 Moved Head Office to Nagoya Factory, and started operation
1953 Reorganized into a joint venture company, "Tsujimura Iron Works," capitalized at 800,000 yen
1974 Established Nihonseiki Co., Ltd., capitalized at 20,000,000 yen
1980 Set up another factory to process final assembly and install large-sized machines for ever-increasing large-sized mold manufacturing
Increased the capital to 40,000,000 yen
1983 Introduced a CAD/CAM system, and started CAD/CAM-based direct numerical control (DNC) operation, constituting the first introduction of high-tech equipment
1990 Launched into carbide and ceramic part processing as a new business
1991 Updated and upgraded the CAD/CAM/CAE system and enhanced the computer system, constituting the second introduction of high-tech equipment
1994 Introduced a high-speed processing machine to improve the precision and efficiency
2001 Updated the CAD/CAM/CAE system and enhanced the high-speed network system, constituting the third introduction of high-tech equipment
2005 Acquired the ISO 9001:2001 Certificate
2009 Acquired the ISO certificate update to the ISO 9001:2008 Certificate
2011 Introduced 2 units of 5-axis processing machines to improve the precision and efficiency
2012 Introduced one more unit of 5-axis processing machine to further the precise and efficient processing
Introduced a tool presetter to improve the production efficiency and the quality stabilization
Substantially augmented CAD/CAM equipment
2014 Substantially augmented the machining center equipment to expand the parts business
2017 Introduced a large-sized machining center, a horizontal boring machine and a die spotting press
Strengthened the quality assurance system (large-sized 3D measuring machine, non-contact type 3D measuring machine)
2018 Acquired the ISO certificate update to the ISO 9001:2015 Certificate

2799 Nakashidami Moriyama-ku Nagoya-City Aichi-Ken 463-0002 Japan
TEL +81-52-736-0611

 by Car

Tomei Expressway Approx. 10 minutes' drive from Kasugai Exit.

 by Train

JR Chuo Line Approx. 25 minutes' walk from Jinryo Station.

* Please let me know in advance. We will come to the station to pick you up.

Clients (in alphabetical order)
  • Aichi Machine Industry Co., Ltd.
  • Aisin Seiki Co., Ltd.
  • Asahi Aluminum Co., Ltd.
  • Daihatsu Motor Co., Ltd.
  • General Motors Company
  • GM Daewoo Auto and Technology
  • Hiroshima Aluminum Industry Co., Ltd.
  • Honda Motor Co., Ltd.
  • Hyundai Motor Company
  • Isuzu Engine Manufacturing Hokkaido Co., Ltd.
  • Isuzu Motors Limited
  • JATCO Ltd.
  • Kyushu Yanagawa Seiki Co., Ltd.
  • Mazda Motor Corporation
  • Mino Industry Co., Ltd.
  • Mino Industry Tochigi Co., Ltd.
  • METS Inc.
  • Mitsui Kinzoku Die-Casting Technology Co., Ltd.
  • Nissan Motor Co., Ltd.
  • Renault SA
  • Ryobi Limited
  • Subaru Corporation
  • Suzuki Auto Parts Toyama Mfg Co., Ltd.
  • Suzuki Motor Corporation
  • Tokai Seiki Co., Ltd.
  • Toyoda Gosei Co., Ltd.
  • Toyodensan Co., Ltd.
  • Toyota Industries Corporation
  • Toyota Motor Corporation
  • Toyota Motor Kyushu, Inc.
  • Yanagawa Seiki Co., Ltd.
  • Others

Page Top