Mark Viduka made it 2-0 just after half-an-hour and it stayed that way until half-time.
In the second half substitute Robbie Keane made the score 3-0 on 56 minutes and Danny Mills made it 4-0 before Green Town pulled one back from the penalty spot, Radebe harshly ajudged to have conceded the spot-kick.
Robbie Fowler scored in the 84th minute to make it 5-1.
Leeds will leave China on Wednesday afternoon for Melbourne for their second pre-season game against Chilean side Colo Colo on Saturday.
Leeds: Robinson (Milosovic 57), Richardson (Mills 52), Cansdell-Sherriff (Harte 57), Woodgate (Duberry 45), Matteo (Radebe 57), Bakke (McMaster 57), Dacourt (Burns 45), McPhail (Wilcox 45), Kewell (Fowler 52), Smith (Keane 52), Viduka (Bridges 45).