That'd depend on how the shipping is done. What you described would apply for something like retail, where the factory only deals/sells to a distributor (stateside), which then sells/ship them to retailers. Under that setup it would be hard to accurately predict where a particular motherboard would end up at the factory. However, I suspect for large orders, they won't bother with that and would send an entire shipping container or pallet to the customer straight from the factory.