Ma Shuai was loaned out to Citizen at the beginning of the 2004/05 Hong Kong First Division League season.
He scored 14 league goals in 21 appearances for Citizen in this season, which made him to be a member of the Best Eleven Squad.
[1] After his successful loan at Hong Kong, Ma immediately returned to Dalian Shide in the summer of 2005.
On 20 November 2005, Ma scored the winning goal for Dalian against Shandong Luneng in the 2005 Chinese FA Cup final.
Ma moved to Japan in 2010, playing with regional league football team Unsommet Iwate Hachimantai.