Mafuang started fighting in the Surin and Buriram provinces as child, he made his Lumpinee Stadium debut in 1973, winning by knockout. He had bad results in his following bouts and ended up going back to the provinces to compete. He made his return to Bangkok this time fighting out of the Lukmatulee camp. Between 1978 and 1982 Mafung was one of the most dominant bantamweight on the Bangkok stadium circuit. He was feared for his punching power which led him to hold the belts from both the Rajadamnern and Lumpinee Stadiums. His dominance saw him defend his belts multiple times and take on handicap fights. Mafuang faced Muay Thai legend
Samart Payakaroon on June 9, 1981 at the Lumpinee Stadium. He lost the fight by decision but their furious encounter was awarded fight of the Year by Muay Thai authorities. Samart later described Mafuang as the opponent he was the most afraid of in the ring. On August 24, 1982 Mafuang lost his Lumpinee Stadium title against
Bangkhlanoi Sor.Thanikul They rematched on one of the most important card in Muay Thai history headlined by the
Samart Payakaroon vs
Dieselnoi Chor Thanasukarn matchup at Rajadamnern Stadium on December 24, 1982. He was defeated by decision. ==Titles and accomplishments==