 1968/07/21 | Being the head of Osaka branch office of Union Electric Machine Company., Mr, Yuichiro Kinoshita started the business . |
 1971/11/22 | Union Electric Machine Industry Company. was established in Hamacoushien NISHINOMIYA City, while Osaka branch office of Union Electric Machine Co., Ltd .was abolished. |
| 1972/06/06 | Union Electric Machine Industry Company. was changed to the corporation. |
| 1973/2 | Beginning to design and produce the welding transformer for the Miyaji Electric Co., Ltd (MIYACHI CO., LTD.) |
| 1981/1 | The site was acquired at the Futaba-Cho, IMAZU, in NISHINOMIYA City, and the IMAZU Office was established on July in the same year. |
| 1982 | Beginning to research, produce and sell the UNIPET Welder with holder, which has Double Head All-In-One Design 15KVA |
| 1985/06/01 | Union Electric & Machine Co., Ltd was established. The office was moved to Futaba-Cho, IMAZU, in NISHINOMIYA CITY.; and the former place in HAMAKOSIEN was used as a factory. |
| 1986 | Beginning to sell the improvement type of Unipet Welder. |
| 1987 | Beginning to research, produce and sell the Weld Current Check for single-phase current (UM-101) (in percent meter way). |
| 1988 | Beginning o research, produce and sell the large type of welder (40KVA) for projection welding. |
| 1989 | Beginning o research, produce and sell all kinds of robot type semi-automatic welder for the welding of CRT parts. |
| 1990 | Beginning to research, produce and sell the power of automatic welder for CRT exterior banding. |
| 1992 | The large type welder (UA-20TW1) for use of battery tapping.was produced and sold. |
| 1999 | To withdrawal the factory at HAMAKOSIEN in Nishinomiya City, the manufacturing facilities were all moved to the company. In the same year, transformer of welding inverter was begun to produce. |
| 2001/02/01 | The company moved to KOUSIEN-Cho, in Nishinomiya City, and began to run. |
| 2002 | Union Electric (Da Lian) Co., Ltd. was established so that we can achieve the goal of Local Production, Local Sell. |
| 2004 | The direct mini-welder began to produce. |
| 2006/03/23 | We got the environmental certification of KEM Step 2. |
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