1997
Ningbo Dunyuan Cables Co, Ltd yashinzwe, Ahanini itanga insinga.
1997 2000
Ningbo Dabu Electric Appliance Co., Ltd yashinzwe mu 2000, Ahanini itanga insinga.
2000 2011
Hamwe n’ubucuruzi bugenda bwiyongera, Ningbo Dabu Welding Technology Co., Ltd yashinzwe mu 2011, ifite umwuga wo gukora imashini yo gusudira, imashini y’imodoka ya batiri, ingofero yo gusudira, imashini ikata plasma n'ibindi.
2011 2012
Imashini yo gusudira hamwe n'ingofero yijimye yo gusudira ingofero Yashakishijwe kandi itezwa imbere neza muri 2012.
2012 2015
Muri 2015, kubera kwagura ibikorwa by’isosiyete ikenera ubucuruzi, Ningbo Dabu Welding Technology Co., Ltd yimukiye mu nyubako nshya y’uruganda.
2015