Myanmar armed forces has signed a contract last year to buy 4 system of air defense missile midrange KaiShan 1A (also known as KS-1A), export variant of the Hongqi-10 (HQ-12) of China, to equip a regiment of air defence.

With this agreement, Myanmar has become the first foreign country to use anti-aircraft missile system KS-1A.The missile delivery lot is expected to be delivered to Myanmar in June this year.