| 1973June |
Started under the trading name of “National Tsusho” as a domestic wholesaler of marine and agricultural products. |
| 1977October |
Established National Tsusho Corporation in Momoi, Suginami-ku, Tokyo, and opened an office in Ginza, Chuo-ku, Tokyo. Became qualified for an agreement with the Equipment Procurement Office of the Defense Agency to start the delivery of food supplies to the Japan Self-Defense Forces (JSDF). |
| 1982May |
Established an international business division to start the import of aerospace equipment parts and communications devices from the U.S. and the domestic sale of imported products. |
| 1983April |
Relocated the head office to Nagatacho, Chiyoda-ku, Tokyo. |
| 1985February |
Opened the Nagoya branch after acquiring Mizuho Sangyo Corporation, a company headquartered in Nagoya.
Due to this acquisition, capital increased to 34 million Japanese yen, and National Tsusho Corporation started working on developing and expanding the markets, particularly those for aerospace parts and equipment.
|
| 1991May |
Established an office specializing in the design and engineering of aerospace-related products.
Established NatioTech Corporation in Yamato City, Kanagawa.
|
| 1996December |
Acquired FROM Corporation and opened a pharmaceutical division.
Capital increased to 88 million Japanese yen.
|
| 1999April |
Relocated to Nishi-shinbashi, Minato-ku, Tokyo.
Changed the company name to NTK International Corporation.
|
| 2002May |
Merged NatioTech into NTK International. |
| 2005April |
Head office and Nagoya branch acquired the ISO9001. |
| 2006May |
Head office acquired the ISO14001. |
| 2009July |
Established NTK COX Calibration Center in Hachioji City, Tokyo. |
| October |
Nagoya branch acquired the AS9120 certification. |
| 2011March |
Head office acquired the AS9120 certification. |
| 2012September |
Capital increased to 100 million Japanese yen. |
| October |
Became a certified member of TRACE. |
| 2013January |
Sold the business right of the pharmaceutical division to specialize in the aerospace business. |
| 2014July |
NTK COX Calibration Center acquired the ISO/IEC 17025. |
