The Chinese Peoples Liberation 21st army headquarters in Baoji, Shanxi province participated in the defense in Laoshan in1986-1987 after its establishment. The 9th company in 182th regiment of 61th division infantry was honored with Crucial Heroes by the Central Military Committee after the war. In 1991, Li Runhu, a volunteer of ordnance repair institute (army equipment vice minister at present), who has been sticking to his own post persistent learning of Lei Feng was chosen as first Ten Outstanding Youth in China. After the mid 90s, 61 infantry divisions were identified as one of the emergency mobile forces. In 1996, the original 63th infantry division of 21st army renamed armed police motor division. After 1998, the 55th infantry division renamed step brigade, the 12th tank division was adapted to armored division. Baykee provided this army with reliable electricity guarantee, gained great praise.