From our North America warehouse, we use 3PL (eShipper) as our shipping partner. The eShipper offers better freight rate than we contact UPS, DHL, FedEx, US/Canada Post office directly.
After our business consulting’s review. We’d picked following services :
UPS Ground (5~7 business Days)
UPS 2~3 Days (2~3 business Days)
UPS Express (Overnight Service, Next Day Air)
DHL Air (1~3 business Days)