How to recognize original vital injector needle or fake one

1) original vital injector needle always 31g, the fake one is 29g and 32g
2) original hyaluronic acid needle through 12 hours sterilization and disinfection before packing and selling.
     fake one do not pass safe security
3) Original needle 20 pcs/ box, fake one without box package
4) Original needle come with very clear printing and listing, fake one does not.
5) Original needle the 5-pin multi-needle always get same dose, the fake one 5-pin needle can not get same dose easy to casue swell.