Zheng Jianjiang was born in Ningbo, China, China. Zheng Jianjiang is #1691 in List Billionaires People In The World. Zheng Jianjiang is chairman of Ningbo Sanxing Medical Electric. Zheng began working from a bankrupt watch parts factory in 1986 with seven other people. Sanxing's parent company, AUX Group, also has interests in air conditioning manufacturing and real estate development.