It was revealed that Piao helped to dispose of his body and keep the alleged murder a secret for years - telling the dead man's family he was overseas.
Piao is the first involved with the alleged murder to be sentenced.
Yanlong Piao was jailed for his part in the alleged murder. Photo / Sam Hurley
A tip-off in March led police to the grisly discovery of human remains buried on the side of Rangipo Intake Rd, off the Desert Rd near Tongariro.
The body, which police say "had been in place for a period of time", was exhumed and an autopsy confirmed the case was officially a homicide inquiry.