Khai Thac Khoang San Va Van Tai Long Thinh Joint Stock Company Address: Sai Linh Hamlet, Quyet Thang Commune, Son Duong District, Tuyen Quang Province Enterprise code: 5000895705 Phone: 0916952886 Representative: Nguyen Thi Thu Hien Adress: Tan Duc Hamlet, Thinh Duc Commune, Thai Nguyen City, Thai Nguyen Province Quyet Thang Commune, Son Duong District, Tuyen Quang ProvinceFounding date: 1 - 3 - 2023