Rural self built houses and circuit construction should not be careless, and these points should be noted!

(2021-2-24) construction version

The settlement skills commonly used by the construction party make the completion settlement easier

Construction scheme of bored pile

Construction notice of full road closure!

Beijing 𞓜 elevator inspection regulations on construction site will be launched soon. What do you think?

100 typical violations of regulations by power grid construction workers

Attention during construction! Improper operation will result in punishment!