We use express delivery. All freight, insurance, and special packaging charges will be added to the invoice unless other terms have been arranged. The cost for next day delivery (<=100g units) in San Diego County is $10, 2-day delivery within California is $15 and $19 to other continental US locations. The products ship on wet- or dry-ice, about $20-30 S&H fee will incurred and add to your invoice. Shipping of Shanghai stock to US customers are only 3-4 business days, and we only charge domestic rate for those. For other international shipping charges, contact your sales representative.