no system is 100% accurate. you can't get the same amount of output for any given input.( there will always be some losses in some form) let alone getting more output than the input itself.
It's good to know your company exists... I am sure my countrymen will go to your company and inquire for thier requirements. I suggest you TikTok your product to reach the gen z crowd as well...
Energy cannot be created nor be destroyed. Only it can be converted from one form to other form. This is first law of thermodynamics also called as law of conservation of energy. 👍👍