E-house is also called modular distribution type intelligent cubicle-type substation, prefabricated electric equipment housing, skid mounted house, modular equipment room, prefabricated house combination equipment, and has become a new development mode of modern engineering construction. It makes the engineering construction be built into a complete process of factory production, combining design, production process, construction method, organization and management and all aspects, so as to establish a complete construction system. 

This construction system makes the design standardization, building production factory, construction mechanization and project organization management. In a simple way, it is to be put into use when the needed equipment is systematized and tested in the factory then transported to the site. At present, it is widely used in power generation, mining, the chemical industry, crude oil and natural gas, transportation, production lines and industrial plants, marine platforms and other places.