Kinh Mat No.1viet Optic LTD Address: Nam Lich Dong Hamlet, Dong Hung Commune, Dong Hung District, Thai Binh Province Enterprise code: 1001327169 Phone: 0921419999 Representative: Vu Quang Nhien Dong Hung District, Hung Yen ProvinceFounding date: 19 - 3 - 2026