35 she achieved on 26 October 2015.
Liang made her WTA Tour main-draw doubles debut, partnering Zhou Yimiao at the 2009 Guangzhou International Women's Open.
They lost in the first round to Peng Shuai and Xu Yifan.
At the 2011 Guangzhou International Women's Open, partnering Tian Ran, they defeated Alona Bondarenko and Mariya Koryttseva 4–6, 6–3, [12–10] in the first round before losing to the 2nd seeds Alberta Brianti and Petra Martic in the quarterfinals.