Cty TNHH 1 Thanh Vien Cong Nghe Ky Thuat Moi Truong Address: Dong Banh Industrial Zone, Chi Lang Town, Chi Lang District, Lang Son Province Enterprise code: 4900263217 Phone: 0907014352 Representative: Nguyen Kim Hung Adress: No 46, Lane 242, Lang Street, Dong Da District, Ha Noi City Chi Lang Town, Chi Lang District, Lang Son ProvinceFounding date: 7 - 12 - 2007