12Acquired an overseas construciton works license
03Changed company name to Kumgang Co., Ltd.
12Acquired an overseas construciton works license
03Changed company name to Kumgang Co., Ltd.
11Acquired a paving works license and an electric works(1st class) license
10Acquired an engineering & architectural works license
Established Kumgang Slate Co., Ltd.
08Established Kumgang Slate Co., Ltd.