Attending the inauguration ceremony were Pham Hong Phuong, Deputy General Director of the Vietnam Electricity (EVN); Dang Ngoc Hau, Vice Chairman of the provincial People's Committee; leaders of Muong La district, Son La Hydropower Company, and Huoi Quang – Ban Chat Hydropower Company.

The cultural house is located in the Tang Khe residential area, Na Lech hamlet, Chieng Lao commune and its construction started in August 2024. Covering 365 square meters, it includes a hall, a stage, a storage room, a restroom, an exhibition room, and other auxiliary facilities. The total investment is nearly 2.5 billion VND (98,000 USD), supported by EVN.

The cultural house creates a space for collecting, researching, preserving, and promoting the values of ethnic cultural heritage, aligned with the goal of socio-economic development in the locality.

Right after the ceremony, the delegates planted a tree in the campus of the cultural house, toured the cultural space, and explored the agricultural exhibits. The local people re-enacted the Pang A Festival and engaged in traditional folk games.