The main advantages of the third generation of foldable house are as follows: in the closed state, the height of the folding box is only 45cm, and 15 units can be stacked in the same area of space. Using 17m5 lorry can consign up to 20, ordinary self-hoisting truck can consign 6, can save about 50% of the freight for the user. It takes 15 minutes to install one double-decker, and 3 persons can finish the installation of 600 sq.ft. box house in one day.

After 15 years of continuous innovation and research and development, Yaheng Tengfei has obtained 13 utility model patent certificates for folding box house frame profiles and folding box fixing devices, and the cumulative sales of box houses have reached more than 20,000. Widely used in: construction site project department, dormitory, office, field camp, temporary relief housing, scenic spots and other places.