Co Khi QMK LTD Address: No 9, Lane 84, Lien Hiep Street, Lien Hiep 4 Hamlet, Hat Mon Commune, Phuc Tho District, Ha Noi City Enterprise code: 0111403727 Phone: 0982007988 Representative: Nguyen Viet Dung Hat Mon Commune, Phuc Tho District, Ha Noi CityFounding date: 9 - 3 - 2026