Total quantity performed by Song Da 9:
Na Hang, Chiem Hoa, Tuyen Quang province
Di Linh and Lam Ha district, Lam Dong province
Bolikhamxay province, Lao's People Democratic Republic
Bolikhamxay province, Lao's People Democratic Republic
Attapeu province, Lao's People Democratic Republic
Sekong district, Lao's People Democratic Republic
Muong Te - Lai Chau
Muong La - Son La