I sent them a loading plan in advance and they followed it exactly — I could tell by the photos they sent from the container before sealing. Every item in the position I specified. That attention to instruction is exactly what a good logistics partner looks like.
Our product sits in a grey area between two HS code classifications. Previous suppliers always picked the wrong one, which caused valuation disputes at customs. This supplier used the correct code from day one — I later found out they had actually consulted a customs specialist before the first shipment.