1. China Post Air Mail (ePacket):
- 7-14 business days for major cities
- 10-20 business days for remote areas
2. China Post Registered Air Mail:
- 10-25 business days for major cities
- 15-35 business days for remote areas
3. China Post EMS (Express Mail Service):
- 5-10 business days for major cities
- 7-15 business days for remote areas
4. China Post SAL (Surface Air Lift):
- This shipping method is not recommended as it can take several months for the package to arrive.
Please note that these are estimated delivery times and may vary depending on factors such as customs clearance, flight delays, and natural disasters. Additionally, delivery times may be longer during peak shipping periods (e.g. Chinese New Year holidays).
If you require a more precise delivery timeframe, you may consider using a premium shipping method such as DHL, UPS, or FedEx, which usually have shorter delivery times (1-5 business days). However, these premium services may come with higher shipping costs.