Introduction to Concrete Additives (2)
In this article, the set retarder, the air-entraining agent, and the accelerating agent are going to be talked about.…
In this article, the set retarder, the air-entraining agent, and the accelerating agent are going to be talked about.…
Graphene polymer batteries will cost 77 percent less than lithium-ion batteries and weigh only half the weight of conventional batteries.…
According to the statistics: On March 3, the main price of wire screws rose in China. Among the 52 sample cities, 33 cities rose, with an increase of 10-50, accounting for 63.46%, while the remaining 19 cities remained stable for the time being, acco…