Wuhan Three Towns defeated Changchun Yatai 2-1 on Tuesday to extend its Chinese Super League (CSL) unbeaten streak to 17 games.Wuhan now stays atop the league standings with 47 points from 17 games, followed by Shandong Taishan on 40 points.Wuhan took the lead in the 12th minute when midfielder Zhang Hui passed to Davidson who finished in the penalty area.Both sides created a few chances thereafter but neither was able to convert them before halftime.Junior Negao leveled for Changchun in the 53rd minute with a penalty kick created by his teammate He Guan.As the game looked set for a 1-1 draw, Ademilson fired home a long-range shot in the 80th minute to help Wuhan seal the victory. However, the Brazilian had to leave the field immediately due to an injury sustained during the shot.