While the steps can be complex to explain in detail, it generally requires you to do the followings:
1. Pre-register your products with China customs
2. Submit 3 documents to China customs electronically via CBEC platform when your customer make a purchase
3. Customer placing orders must provide China local address and China ID to be verified by customs via CBEC platform
4. Ship your products from overseas warehouse to customs for clearance; then deliver domestically to custom. Alternatively, if you are already using one of the bonded warehouses in China, products will be delivered to customers within 3 days.