Respuesta a: Clothes from China

Yes the customs in Spain are strict if they found replica products imported from China, Yes you need an EORI or Spanish ID to import in Spain.
Doesnt matter if your friend send you like gifts, it will always will require a proforma invoice.
To send a package from Spain to Germany depends of weight and dimensions, use our shipping cost calculator here:

shipping-rates-calculator

and you will see what are the couriers services ordered by price

regards