1997
Ningbo Dunyuan Cables Co., Ltd guzosie ike, tumadi na-emepụta USB.
1997 2000
Ningbo Dabu Electric ngwa Co., Ltd e guzobere na 2000, tumadi na-emepụta cables.
2000 2011
Na ibu azụmahịa nso, Ningbo Dabu Welding Technology Co., Ltd e guzobere na 2011, ọkachamara na-amị ịgbado ọkụ igwe, Car batrị chaja, ịgbado ọkụ okpu agha, plasma ọnwụ igwe wdg.
2011 2012
A nyochara igwe ịgbado ọkụ na okpu agha na-agba ọchịchịrị wee mepụta nke ọma na 2012.
2012 2015
Na 2015, n'ihi mgbasawanye nke mkpa azụmahịa nke ụlọ ọrụ, Ningbo Dabu Welding Technology Co., Ltd kwagara n'ụlọ ọrụ mmepụta ihe ọhụrụ.
2015