There are lots of contract manufacturers, especially in China. But they will want a ready to manufacture design and an up front commitment for thousands of uni

There are lots of contract manufacturers, especially in China. But they will want a ready to manufacture design and an up front commitment for thousands of units. Prototyping generally requires many iterations. Hardware is very hard. e.g. https://www.luminary-labs.com/insight/why-hardware-is-hard/ https://www.luminary-labs.com/insight/why-hardware-is-hard/ When you have the financial resources to outsource the hard bits, it is doable.