This house is built by ISO standards shipping containers, these containers are built with the toughest of corrugated steel, with tubular steel frames. They come equipped with marine grade flooring (28mm thickness ). they are built to stack easily one opon the other, it makes you very easy if you want to enlarge your home after it built . The shipping container homes are strength, smart design, good weather resistance, they can withstand extreme weather for more than 15 years when they serve as a cargo on vessel, but when they turn to standing house on the land, the life span can be 50 years and more.HK fiberglass shelters are made from Light steel stud and fiberglass sandwich panel . The shelters are impack , lightweight, insulated, weather-tight, durable and secure. Fiberglass shelters are engineered to meet the rigid requirements of the natural gas industry, the oil filed and the telecom cabinet, which made the filed work more easier .