Which manufacturer do you think has better quality of tile adhesive?

Ceramic tile adhesive is a kind of product that appears in recent years to prevent ceramic tile from hollowing out and falling off. There are dry and paste-like water agents. Most products on the market are dry, such as aqua. Xubang is the earliest manufacturer of paste adhesive in Wu Hanyou, among which Xubang is a better manufacturer. To say which company has good quality, or only do it early, the formal manufacturers specializing in the production of ceramic tile adhesives are more reliable.