Because China subsidize the cost of shipping from China to US. But US is charging you for that part. Also for big mailers, they are even subsidize in US shippi

Because China subsidize the cost of shipping from China to US. But US is charging you for that part. Also for big mailers, they are even subsidize in US shipping. This is kind of political theatre, US sellers will never match up with chinese sellers even after this change, even not in 5 years. US is trying to close this 75M usd gap in 5 years with this agreement, what china will do? They will just subsidize 75M more. This 75M will not make any difference in US pricing of mail. Chinese will continue with free shipping, US prices at best will get little lower.