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1952 Dai-Ichi Dentsu Ltd. was established.
1970 Aizu Factory (Daiichi Tsushin Kogyo Ltd.) was established, and started operations.
1975 Production and sales of the electric-type nutrunners started (First in the world).
1979 Export sales of nutrunners began.
1981 Export sales to North America began.
1982 Kani factory was established and began operations.
1983 Local subsidiary in North America was established.
1985 Daiichi Tsushin Kogyo Ltd. was established, and the capital was increased to 100 million yen.
1990 Kani factory was expanded. Industry Machinery Division was moved.
1991 Dai-ichi Kiden Co.,Ltd. was established.
1998 Full-digital nutrunner, series 1500 was released.
2002 Servo press was released.
2003 Electric motor handheld nutrunners released.
2006 Polycrystalline silicon wafer for solar batteries was released.
New range of Hi-speed nutrunners was released.
2009 New model of the Slim Line servo press, servo press mini, and micro nutrunners were released.
Production of polycrystalline ingots for solar batteries was expanded to 40 MW manufacturing capacity.
2013 AFC-3000 was released.
2014 HFC-3000 was released.
2015 DSP-3000 was released.
2016 HFC-3000II was released.
2019 Obtained patent in Japan, US and China.