It is a bit too early to say. :-) But inter-US rates for a 1oz to 4oz "letter package" are from $3.66 - $4.06. So if a Chinese company opened a US warehouse,

It is a bit too early to say. :-) But inter-US rates for a 1oz to 4oz "letter package" are from $3.66 - $4.06. So if a Chinese company opened a US warehouse, that is what it would cost for inter-US shipping. If it is not too thick, you can send 'flats' for $1.00 to $1.50 https://www.nerdylorrin.net/jerry/postages/ https://www.nerdylorrin.net/jerry/postages/