If you want to build the bird house successfully with highest productivity and lowest investment costs but you do not what to do and how to start up, do not hesitate to contact Mr.Thanh 0916146805 of Tam Cao Viet Company. We give advice on building bird house at low cost but still meet all your requirements. Currently, there are many bird house design models (house renovated into the swift, flat building, multi - storey buildings, 20cm wall, 10cm wall, permanent concrete, against-heat corrugated roof, etc.)