Lien Doan Lao Dong Huyen Tran Yen Address: Quarter 3, Co Phuc Town, Tran Yen District, Yen Bai Province Enterprise code: 5200313489 Phone: 02163825241 Co Phuc Town, Tran Yen District, Yen Bai ProvinceFounding date: 23 - 1 - 2009