Guide: The laser jet printer jets a permanent mark that cannot be wiped off. It is instantly vaporized directly on the surface of the object by laser. It can be visually distinguished without any aids and is easy for consumers to…

First, the working principle of the sand filter

Stainless steel SUS304 filter is used for the filtration of tap water or deep well water with pressure device. It can effectively block b…

The installation, debugging and use of the ice cream machine are actually very simple, but for the first time users still need to explain here, I hope this article can give you some useful reference.

Activated carbon is the most important and most used adsorbent material in water purifiers. It is made of coconut shell, husk, etc., through carbonization (steaming furnace), activation (activation at 800 °C high temperature s…