Warm reminder: Tax is required for invoicing; both special and regular invoices can be issued. Please consult customer service for details! Regarding shipping logistics: We default to shipping via logistics with freight collect, but for small amounts and to Jiangsu, Zhejiang, and Shanghai, we can send via express delivery. The specific postage depends on the purchase quantity, please contact our customer service. Regarding the shipment: Normally, orders can be shipped within 48 hours after placing them. Delivery time may vary depending on distance, weather, and the shipping company used. Generally, delivery to Jiangsu, Zhejiang, and Shanghai takes 1-2 days, while logistics outside the province usually takes 3-7 days. If it exceeds the specified time, please contact us for follow-up.