what are water jet products?

Do you know what are water jet products?

Water jet products are irregular mosaic titles. They are made of glass, marble, ceramics and so on. Water jet products can be used in bathroom, kitchen and living room. In addition, the process is very complicated. If you are careful, you can see them everywhere. For example, in a hotel, you may see a beautiful bathroom like this:

you only know that this  is very beautiful but you do not know what this beauty comes from. Yes, they may come from water jet products.

http://www.centurystone.com.cn/productgrouplist-220116960/Water_jet.html