Company Profile

Corporate Profile

Trade name
Tenma Corporation
Headquarters address
1-63-6 Akabane, Kita-ku, Tokyo 115-0045 Japan
TEL +81-3-3598-5511
Estabished on Augst 26, 1949
Capital stock
19,225 million yen
Board Members
  • President and Representative Director : Hirohiko Hirono
  • Director : Yuichi Nagai
  • Director : Masaru Noritake
  • Director : Kenichi Hoshi
  • Outside Director : Hirofumi Kurahashi
  • Outside Director : Lei-Isbelle Nakao
  • Director (Full-time Audit and Supervisory Committee Member): Kazuhiko Hara
  • Outside Director (Audit and Supervisory Committee Member): Hirotaka Goto
  • Outside Director (Audit and Supervisory Committee Member): Miyo Nishida
  • Outside Director (Audit and Supervisory Committee Member): Shoji Matsuyama
(As of June 27, 2023)
Number of employees
  • Consolidated staff: 8,378
  • Non-consolidated staff: 637
(As of March 31, 2023)
Net sales
  • Consolidated: 102,053 million yen
  • Non-consolidated: 20,013 million yen
(Fiscal year ending March 31, 2023)
Correspondent banks
  • Sumitomo Mitsui Banking Corporation
  • Resona Bank, Limited
  • Sumitomo Mitsui Trust Bank, Limited
Business Fiscal year
From April 1 of each year to March 31 of the following year
Business Activities
The manufacture and sale of plastic products (household products, automotive parts, OA equipment parts, media cases, materials for logistics, agriculture, and fisheries, food and beverage materials, construction materials, etc.)

About ISO Certification

We are accredited with the international standard for quality management systems ISO9001:2015
(Certification registration number 10046)

Obtained ISO9001: 2015 certification

Quality Management System

Registration Scope
The design and manufacture of plastic injection molded products for industrial use (OA equipment parts, vehicle parts, home appliance parts) and industrial materials (for food and beverage transportation and construction use)
Offices and Factories
Headquarters Engineering Department, Hachinohe Factory, Noda Factory, Shiga Factory, Yamaguchi Factory

Overseas factories in Shanghai, Zhongshan, Shenzhen, Cikarang, Ho Chi Minh, Noi Bai, TMVN, Amata, and Prachinburi have obtained ISO 9001 certification. Our Cibitung plant has obtained ISO/TS16949 certification.



1949, the 24th year of the Showa Era (1926-1989) 
Established as Taiyo Shoji Company, Ltd.
1954, Showa 29
Specializing in the plastics industry, which was rapidly developing in Europe and the U.S., the company changed its name to Tenma Synthetic Resin Ltd.
1961, Showa 36
In response to the rapid development of the plastics industry in Japan, we established a new factory in Kawaguchi City, Saitama Prefecture, to expand our business.
1964, Showa 39
We developed the “Poly Trash Series” of plastic trash cans, which became popular throughout Japan following the Tokyo Olympics.
1967, Showa 42
The Noda Factory is constructed to meet increasing demand for large industrial materials such as color TVs, automotive parts, and beer containers.
1973, Showa 48
Shiga Factory is constructed to expand sales channels to the Kansai region.
1981, Showa 56
The Yamaguchi Factory is constructed as a production base for the Chugoku/Shikoku and Kyushu regions.
1985, Showa 60
The Shinshirakawa Factory is constructed as a production base in the Tohoku region.
1986, Showa 61
Long-selling “Fits” brand of plastic storage cases for home use is launched.
1988, Showa 63
The company is listed on the Second Section of the Tokyo Stock Exchange.
TENMA (U.K.)Co., Ltd. is established in Scotland, U.K., as the first step toward global expansion.
1991, the 3rd year of the Heisei Era (1989-2019)
The company is listed on the First Section of the Tokyo Stock Exchange.
The Hachinohe Factory is built, and a nationwide shipping system is established.
1992, Heisei 4
Tenma Precision (Zhongshan) Co., Ltd. is established in Zhongshan City, Guangdong Province, China, to supply parts to Japanese manufacturers in China.
1993, Heisei 5
Moved to the current head office building following its completion.
1995, Heisei 7
Shanghai Tenma Platech & Housewaers Co., Ltd. is established in Shanghai to manufacture and sell houseware for the Chinese domestic market.


2000, Heisei 12
Sales begin of "Kata Panel", a plastic formwork for concrete placement.
2002, Heisei 14
Production begins on “Pop Mambo,” a DVD disc case with a simplified ejection mechanism.
2004, Heisei 16
We established Shenzhen Meiyang Injection Plastic Co., Ltd. in Shenzhen as our third manufacturing base in China.
2005, Heisei 17
We established Tenma Precision (Zhongshan) Co., Ltd.
We established Tenma Precision (Shenzhen) Co., Ltd. in Shenzhen, Guangdong Province, China.
2006, Heisei 18
Shanghai Tenma Second Plant starts operations.
2007, Heisei 19
TENMA VIETNAM CO.,LTD. is established in Cuevo, Vietnam, a suburb of Hanoi.
2009, Heisei 21
We constructed the Hirosaki Factory to improve logistics efficiency.
Added Tacmic SP Co., Ltd. (now Tenma ASEAN Holdings Co.) as a subsidiary in addition to subsidiaries in Indonesia (now PT. TENMA INDONESIA), Vietnam (now TENMA (HCM) VIETNAM CO., LTD), Thailand (now TENMA (THAILAND) CO., LTD.), and other countries.
We expanded our manufacturing base to three Southeast Asian countries with the addition of Indonesia and Thailand.
2010, Heisei 22
We established Tenma Crown Precision Industry (Suzhou) Ltd.
We added PT. SUMMITPLAST (Indonesia, now PT. TENMA CIKARANG INDONESIA) as a subsidiary.
2012, Heisei 24
Tenma Precision (Zhongshan) Co., Ltd. merges with Tenma Precision Plastics (Zhongshan) Co., Ltd.
2013, Heisei 25
We established a joint venture company related to automobile parts in Indonesia.
2014, Heisei 26
We began operation of Prachinburi Factory, the second plant of TENMA (THAILAND) Co., Ltd.
2016, Heisei 28
Operations begin at PT.TENMA INDONESIA’s second plant, Suryacipta Factory.
2018, Heisei 30
TQ Co., Ltd. is established.
Operations begin at TENMA (HCM)VIETNAM Co., Ltd.'s Noi Bai factory.
2022,Reiwa 4
Established PT. TENMA INDONESIA TRADING in Indonesia.
2022,Reiwa 4
Moved from the First Section of the Tokyo Stock Exchange to the Prime Market following a review of the Tokyo Stock Exchange's market divisions.
2022,Reiwa 4
Liquidated TQ Co., Ltd.
2022,Reiwa 4
Liquidated Tenma Crown Precision Industry (Suzhou) Co., Ltd.
2023,Reiwa 5
Closed Sendai Office.
2023,Reiwa 5
Acquired shares of PT.HYUK JIN INDONESIA as a subsidiary.
2023,Reiwa 5
Acquired shares of Nankai Enviro-Tech Corporation as a subsidiary. The registration name is changed to TENMA AMERICA CORPORATION.