You don't need to ask the customer to sign for it when PI sends it. It doesn't matter whether the customer signs back or not. The key is to urge customers to pay the deposit or the full amount according to the money listed in PI. Collecting money is king, hehe.

CI is the invoice provided to the customer at the time of delivery. Generally, it is enough for our company to make a copy according to the conventional format. When general goods are delivered, customers also need a packing list, which mainly lists the details, weight, volume and other packaging information of the goods.

About the general flow of goods export, the current freight forwarding company will guide you to do it. Just provide some information according to their requirements. Don't worry, it's not as much trouble as you think.