What is the national regulation of medical device distribution fee

The cold chain logistics cost of medical devices does not exceed 2% of the sales price of the product. Cold package accelerated delivery delivery mode of the general cost of 30 yuan, cold package, cold source of 10 yuan, courier fee of 30 yuan, the comprehensive single piece cost of 70 yuan. Cold Chain LTL Shuttle Distribution method has a combined single piece cost of $150. Cold packages plus cold chain LTL shuttle delivery mode comprehensive single piece cost of 300 yuan.