At 12 o 'clock on July 20th, when I was visiting customers outside, I met an amazon company. They mainly delivered goods to FTW1, amazon warehouse in the United States. The main products are headlamps, which contain batteries. In the process of chatting with them, I learned that they now have 2 boxes of headlights with lithium batteries to be sent to Amazon warehouse in the US for replenishment, which requires 5-7 days to be delivered to Amazon warehouse in the US. At that time, I recommended HongKong FedEx to the customer according to their demand