(Yicai Global) Dec. 24 -- China's mainland stock markets opened lower this morning as liquor makers extended their losses from yesterday's drop.

The Shanghai Composite Index opened flat at 3,382.19. The Shenzhen Component Index stood at 13,998.36, down 0.12 percent and the ChiNext Price Index, which tracks growth enterprises listed in Shenzhen, shed 0.14 percent to 2,838.94.

Hebei Hengshui Laobaigan Liquor [SHA:600559] dropped 7 percent to CNY29.7 (USD4.54) at the open, the biggest loser in the sector. Kweichow Moutai [SHA:600519], China's leading liquor maker, slid 1.39 percent to CNY1,818 (USD277).

Editor: Ben Armour