Address : No 22 Hamlet 4, No 18 Street, Binh Hung Village, Binh Chanh District, Ho Chi Minh city

Phone number : (08)54318385fax : (08)54317382

Address : Ly Thai To Str., Vo Cuong Ward, Bac Ninh City, Bac Ninh Province

Phone number : (0241) 3895111 fax : (0241) 3825496

Address : Tan Chi Commune, Tien Du District, Bac Ninh Province

Phone number : (0241) 3721649 fax : (0241) 3721648

Address : Tan Chi Commune, Tien Du District, Bac Ninh Province

Phone number : (0241) 3721989 fax : (0241) 3721989