1975
　
Der-I Industrial Company was founded working on the production of plastic injection steel molds.

1982
　
The Plastic Injection Division was established for the business of injection.

1983
　
Der-I Industrial Company cooperated with Japan Mitsubish Electric Co., Ltd.

1986
　
For business expansion, Der-I Industrial Company accomplished a reform and renamed Der-I Industrial Co., Ltd.

1988
　
1988 Terminal Blocks Division was set up for producing and selling business.

1991
　
Conon Consultancy Management Co., Ltd. was cordially invited as regular consultant.

1992
　
Der-I Industrial Co., Ltd. was designated by Small and Medium Enterprise
Administration of ME A to hold the conference of small and medium enterprise for announcing achievements after receiving consultant.

1996
　
The subsidiary of Der-I Industrial Co., Ltd. was set up in Brazil.

2000
　
Der-I Industrial Co., Ltd. gained a certificate of ISO 9002

2000
　
2000 Der-I Industrial Co., Ltd. had a co-operational partnership with American GE Company.

2001
　
2001 The R & D Division was set up and responsible for designing and producing business of OEM and ODM.

2001
　
Our products passed U/ L test and gained a certificate

2003
　
Popularize ISO 900::2000 Quality Mgt System by ourselves.

2004
　
Obtain the Certification of ISO 900::2000 Quality Mgt System