Career
Hu Rentian was promoted to the senior team of F.C. during the 2009 league season and would eventually make his debut on August 30, 2009 in a league game against Jiangsu Sainty where he would also score his first senior goal in a 1-0 victory. When Hao Junmin left the club to join Football Club Schalke 04 at the beginning of the 2010 league season Hu would have to prove himself within the team and the manager Arie Haan only used Hu sparingly throughout the season, however Tianjin would finish the league second and were eligible for the 2011 AFC Champions League. Hu Rentian was included in the squad to qualify for the 2010 AFC U-19 Championship and would play in three games during qualification that saw the team easily qualify for the tournament.
At the tournament Hu would go on to play in three further games as China were knocked out in the quarter-finals.