On November 20, 2015, the first level qualification for professional contracting of building electromechanical installation engineering was approved
2017年
2017
2月
In 2017, "KENDAI" entered Japan and is committed to exploring the Japanese market.
12月
Approved on December 13, 2017, the construction labor service qualification is not graded
2018年
2018
3月
On March 6, 2019, the second level qualification for professional contracting of building curtain wall engineering was approved
9月
On September 2, 2019, the second level qualification for general contracting of construction projects was approved
2020年
2020
4月
Approved as a special engineering (structural reinforcement) professional contracting qualification without classification on April 3, 2020
11月
On November 26, 2020, the second level qualification for steel structure engineering professional contracting was approved
2022年
2022
1月
On January 28, 2022, the first level qualification for professional contracting of fire protection facilities engineering was approved
2024年~至今
2024
5月
On May 10, 2024, the second level qualification for professional contracting of foundation engineering and the second level qualification for general contracting of petrochemical engineering construction were approved.
