History

A view of Sumitomo Shindojo Ajikawa Plant in the 1910s.
picture provided by Sumitomo Historical Archives

NJT Copper Tube Corporation has inherited traditions and histrory accumulated over more than 100 years.

April 1897	Sumitomo Head Office purchased Japan Copper Manufacturing Co., Ltd. and established Sumitomo Copper Plant in Ajikawa, Osaka.
June 1913	Sumitomo General Head Office changed the name to Sumitomo Copper Works.
June 1921	Sumitomo General Head Office was reorganized as Sumitomo Goshi Kaisya and Sumitomo Copper Works became Sumitomo Goshi Kaisya Copper Works.
September 1935	After Sumitomo Steel Tube & Copper Works, Ltd. merged with Sumitomo Steel Works, Ltd., became Sumitomo Metal Industories.
September 1941	Sumitomo Metal Industories established Nagoya Light Alloy Works (Minato-ku, Nagoya)
August 1959	Sumitomo Light Metal Industories, Ltd. was established by separating the Aluminium Products and Copper Products Divisions from Sumitomo Metal Industories.
March 1969	After separating the Copper Products Division from Sumitomo Light Metal Industories, Sumikei Copper Industries,Ltd. was established at its present location, City of Toyokawa.
April 1985	After merging with Sumitomo Light Metal Industories, Ltd., become Copper Works.
1990	Sumikei (Malaysia) Sdn. Bhd. was established (Present NJT Copper Tube (Malayisia) Sdn. Bhd.).
2011	Sumikei Copper Tube Co., Ltd. was established as a spin-off from Sumitomo Light Metal Industories , Ltd.
October 2013	Following the merger of Sumitomo Light Metal Industories , Ltd., and Furukawa-Sky Aluminum Corporation to establish UACJ corporation, the company name was changed to UACJ Copper Tube Corporation.
October 2019	The Compnay received capital independence from the UACJ Group, and its name changed to NJT Copper Tube Corporation.
April 2021	NJT Copper Tube Corporation absorbed its domestic consolidated subsidiaries; NJT Copper Tube Sales Corporation, Toyo Fitting Co., Ltd., NJT Copper Tube Packaging Corporation, NJT Green Service Corporation.