He is a former four-time Lumpinee Stadium champion across three divisions, as well as the 1987 Sports Writers Association of Thailand Fighter of the Year, who was famous in the 1980s and 1990s.

In 1987 Langsuan had 10 fights, he won 9 times, this performance was enough to earn him the most prestigious prize in Muay Thai, the Sports Writers Association of Thailand Fighter of the Year award.

He defeated numerous stars of his era including Karuhat Sor.Supawan, Samson Isaan, Lamnamoon Sor.Sumalee, Hippy Singmanee, Wangchannoi Sor Palangchai, Veeraphol Sahaprom, Paruhatlek Sitchunthong, Dokmaipa Por Pongsawang, Jaroensap Kiatbanchong, and Mathee Jadeepitak.

It turned into a no decision fight, as it was stopped midway due to the killing of Chaiwat "Ngow Haphalung" Phalungwattanakit, a gambler and sponsor of Chamuekpet.

Eventually he returned to Thailand and now teaches at the Suwannakhiri camp in Ban Mai, Phayao.