Zhu Jianghong's wife, Dong Mingzhu, was born in Zhuhai and graduated from South China University of Technology with a university degree. After 24 years of pioneering and backward technology 10, an assembly line, a small factory with an annual output of 20,000 air conditioners, has been transformed into an industry giant with an annual output of 2.5 million units. 1988, Zhu Jianghong returned to his hometown of Zhuhai and joined the Industrial Development Corporation of the Special Zone.