Prioritize network density and multimodal access (rail, road, air), bonded and cold‑chain capabilities, scalability of warehouse footprint, SLA guarantees for order accuracy and lead time, and native integrations with domestic carriers and international forwarding networks. Also assess WMS/TMS compatibility and local labor skill to meet SKU velocity requirements.

Warehouses sited near major expressways and rail freight terminals in Hunan reduce first/last‑mile trucking to coastal ports by enabling direct intermodal handoffs. That lowers transport costs and transit variability, improves predictability for export consolidations, and shortens delivery windows for inland domestic lanes.

Typical services include multi‑client and dedicated warehousing, pick‑and‑pack, palletized B2B fulfillment, kitting and light assembly, returns processing, bonded storage and customs clearance, cold‑chain handling, and integrated WMS/OMS connectivity for omnichannel order routing.

Model fixed versus variable costs: site rent, utilities, equipment depreciation, and staffing versus pick/pack fees, storage per pallet/SKU, inventory carrying costs, inbound/outbound transport to ports or customers, customs/bonded fees, and value‑added service charges. Include projected SKU velocity and seasonality for accurate total landed cost.

Evaluate the 3PL’s bonded warehouse capabilities, customs brokerage experience, export consolidation options, established carrier and forwarder partnerships, ability to handle documentation and HS classification, and visibility through WMS/TMS with international tracking and EDI/API integrations. Review references for export cycle times and compliance history.