GUIYANG, March 25 -- Tan Dinghua, former vice general manager of Chinese liquor producer Kweichow Moutai, is under investigation, local authorities said Friday.

Tan is alleged to have committed "serious violations of party discipline," according to the Communist Party of China's Guizhou provincial discipline inspection commission.

He was the former vice general manager of Moutai among other previous positions. He retired in February 2015.

Moutai, China's "national liquor," dominates the top-end liquor market for decades. Its sales have been affected since the frugality campaign, which aimed to curb government receptions and gift giving, was launched three years ago.