Ensure the supplier provides a detailed Packing List, Commercial Invoice, and Certificate of Origin to facilitate smooth customs clearance. For medical items, the HS Code (typically 6210.10 for non-woven garments) must be accurate to avoid fines. If shipping to the US or Europe, ensure the importer of record (IOR) has the necessary medical device import permits. For urgent needs, Air Freight is faster but costly; for bulk replenishment, Sea Freight (FOB terms) is the standard for maximizing profit margins.