HTX Kinh doanh Tổng hợp Mường Khương, also known as HTX Mường Khương, is a Vietnamese agricultural cooperative based in Lào Cai Province. It was established in 2004 and officially registered in early 2006. Its development is closely associated with Nguyễn Văn Dũng, who moved from the construction industry into the cultivation and processing of local chili peppers. The first batches of chili sauce were made by hand using traditional methods practiced by communities in the mountainous Mường Khương area. The cooperative gradually organized production to transform the local chili pepper into a stable commercial product instead of selling it only as a fresh ingredient. In early 2006, it secured trademark protection for Mường Khương chili sauce and Séng Cù rice. The cooperative works with farming households from several local communities, including members of the Tày, Nùng, Dao, and Giáy ethnic groups. Chili-growing areas have been developed in places such as Nậm Chảy, Thanh Bình, and Tung Chung Phố. The cooperative has established a raw material area covering approximately 150 hectares and organizes the purchase of chili peppers from several hundred households. Farmers are encouraged to use organic fertilizers and biological preparations, control the quality of irrigation water, and limit chemical pesticides.