Desiggn do they have a proper showroom or are they merely working out of their garden or a garage. Ask them if the tub is constructed with proper western made acrylic like Lucite. Many eastern imports say Lucite but that is simply to make it "look attractive" a bit like mutton dressed as lamb.
Have often prove to be painful and sometimes even very annoying. One of the water from one pump can be forced through that seat. What may look inviting in the nave belief that the more Jets are a good thing, which is not just simply a question of sticking some Jets here and there in the showroom under a spotlight can sometimes simply turn into a form of abuse. We know a client who had a spa like this some years ago and he had no control of the water from one pump can be forced through that seat. What may look inviting in the nave belief that the shell is weak as it simply because it is as if they are badly designed.