Tinh Luyen Vonfram Nui Phao- H.C.Starck LTD Address: Hamlet 2, Ha Thuong Commune, Dai Tu District, Thai Nguyen Province Enterprise code: 4601163743 Phone: 0917368757 Representative: Kurt Hoelzl Ha Thuong Commune, Dai Tu District, Thai Nguyen ProvinceFounding date: 11 - 2 - 2014