The single seat control valve has a valve core and a valve seat in the body, which has the characteristics of small leakage. The valve has a large unbalanced force, and its allowable pressure difference is smaller than that of the double-seat valve.
In the Yiwu market, there is a zone for Arts, Crafts and Gifts where you can find a great variety of handicrafts from all over China. You don’t need to go around to find what you like, just visit the Yiwu market where you will find the latest and most pop
Organic bentonite clay has been produced and applied in China for more than 30 years.It is the complex of montmorillonite/quaternary ammonium salt produced from the raw bentonite. Bentonite’s main ingredient: montmorillonite which has layer structure.