Zhang made his professional debut in 2012 at the age of 31, winning all of his 20 fights by knockout.

[1] One month later he defeated unknown fighter Timor Benz to win the vacant WBF Asia Pacific heavyweight title.

[2] During May of the same year he won via a fifth-round knockout against former cruiserweight Nico Toriri for the vacant IBO Asia Pacific heavyweight title.

[3] On November 30, 2014, Zhang faced veteran journeyman Jason Gavern, stopping him in the third round to win the vacant WBF Intercontinental and WBU heavyweight interim (German version) titles, making him one of the few Chinese fighters to win a minor world title.

[4] On 11 April 2016, Zhang extended his perfect record and took out Brazilian George Arias (56-16, 42) in 2 rounds in Jinghong to claim the WBA Oceania Heavyweight title.