The Type 81 is a self-propelled 122 mm multiple rocket launcher (SPMRL) produced by the People's Republic of China for the People's Liberation Army Ground Force. It is a variant of the Soviet BM-21 Grad. The Type 81 was the first in a family of Chinese self-propelled 122 mm rocket launchers.The spin-stabilized rocket fired by the Type 81 may be armed with a high explosive warhead or a steel fragmentation warhead.