Van Tai Va Dich Vu Ky Thuat Ha Long Joint Stock Company Address: No 38/284 Lach Tray, Kenh Duong Ward, Le Chan District, Hai Phong City Enterprise code: 0200819364 Phone: 02253500424 Representative: Nguyen Duc Quynh Kenh Duong Ward, Le Chan District, Hai Phong CityFounding date: 13 - 6 - 2008