I don't know much about those guys but it seems like what they do: You send your free source code with all the engineering work already done to china so they ma

I don't know much about those guys but it seems like what they do: You send your free source code with all the engineering work already done to china so they manufacture it and by the way if it works they can take it, modify and close the derivatives like they have done with quadcopters and 3d printers. It looks like a brilliant idea(for them).