They are all frauds, and the common fraudulent means are: defrauding money in the name of deposit, cooperation fee, various license fees, notary fees, insurance fees, technical service fees, travel expenses of tutors, etc. Advance; Later, after the so-called "delivery", I called you and said that the goods arrived, but I had to pay the freight or insured fee to deliver the goods ... Some even gave you a logistics number, you can check it online, but these are all fake, just a group of scammers, who cheat money in different names and roles, step by step, until you are not fooled.