Chi Nhanh Ha Tay - Cong Ty TNHH Ngoc Chau Address: Lai Xa Hamlet, Kim Chung Commune, Hoai Duc District, Ha Noi City Enterprise code: 0100284524-001 Phone: 0247551789 Representative: Nguyen Manh Cuong Adress: Khoa Hoc Ky Thuat XD To 51 Nghia Tan Town, Cau Giay District, Ha Noi City Kim Chung Commune, Hoai Duc District, Ha Noi CityFounding date: 9 - 10 - 2007