The answer is simple. They begin with high quality US licensed parts - for how can you improve on half a century of evolution and refinement? The solid body electric guitar is an acknowledged masterpiece - proven over 50 years that have defined the entire spectrum of modern guitar music. It’s sheer popularity means you begin with good quality components and classic design at an affordable price.
On that rock-solid foundation the creativity begins. It looks unique but sounds Vintage because it is set-up by a professional so the playability and feel is second to none.