there are lots of place in industry that would need transfer high temperature, Highly corrosive.liquid. 

also for food industry. 

stainless steel metal hose is better than flexible rubber hose or plastic hose. it provide longer service time, and higher safety. 

The advantages of metal hoses are as follows.
1, corrosion resistance, can be used to transport strong acid, strong alkali liquid.
2, high temperature resistance, up to 650 degrees Celsius.
3, lighter weight, the same size, the metal hose weight is the lightest.
4, easier to install and maintain.

usually, we bought flexible metal hose from USA.