Residential housing accounts for the largest component of the real estate industry, and the safe and reliable operation of the power distribution syst...
The distribution network is an important public infrastructure for national economic and social development. The construction of urban-rural co-ordina...
Public buildings involve various aspects of people's livelihood such as culture, sports, education, science and technology, medical and health, and ad...
Industry is one of the most important sectors of material production in the national economy. Industry is an important part of the secondary industry,...