> How do cheap cell phone chargers pass them? Or is nobody looking at this? You will build a prototype with all the filters and let it pass EMI tests in nation

> How do cheap cell phone chargers pass them? Or is nobody looking at this? You will build a prototype with all the filters and let it pass EMI tests in national laboratory. Then you will start supplying consumers with much cheaper electronics but in same package like your expensive prototype. Who is going to look into ultrasound welded plastic box? Nobody.