How to ensure the quality of concrete construction in high temperature weather in summer?

From September 1, the bid registration will be cancelled! Two new construction policies have been implemented!

Is it appropriate to handle the construction labor qualification now or after the reform?

hot wire! Construction of the old fellow railway ballastless track is completed.

So this is the correct construction of the roof? Rural self built houses are no longer afraid of mistakes

On Eccentric Support Forms of High rise Steel Structures

Notice! Single and double number traffic restriction during construction

Scaffolding is a commonly used temporary support structure in construction projects, consisting of steel pipes (48.3 * 3.6), fasteners,