Manan started his career with the LeTua Cycling Team and won two stages of the 2007 Jelajah Malaysia and the blue jersey.
[citation needed] Manan made a decision to join Iranian team Azad University Iran.
Manan won three stages in the 2009 Jelajah Malaysia and became first rider to win the blue jersey – for the sprints classification – for three successive years.
[citation needed] Manan had to leave Iran because of a visa problem and then signed a contract with Korean team Geumsan Ginseng Asia.
Prior to the end of 2013, he joined CCN on a loan move ahead of the Tour of Poyang Lake.