Fernandez guitars are made in Japan! Contact American range:

Here is a link that might be useful: Contact

"Our products are manufacturing in the United States. Factory location
is Pacoima California (10-minutes north of Los Angeles)"

"With a name like American Range, we wouldn't want to build our
products anywhere else".

Respectfully
Chris Thompson
American Range

I'm curious why you would want step-up burners; they seem pretty rare even in commercial kitchens.

I'd suggest that you hop over to the appliances forum; you'd get a better response over there.

Cj