Zhejiang announces low safety risk park! The first batch of 16
On December 11, the Office of the Zhejiang Provincial Work Safety Commission issued the “Notice on the Announcement of the List of Chemical Industry Parks with Lower Safety Risk Levels in Zhejia…
Two classifications of concrete admixtures and explanations of 16 admixture terms
According to (GB8075-87) classification, concrete admixtures can be divided into four categories according to their main functions: Admixtures that improve the rheological properties of concrete mixtu…