What kind of transportation do Chinese sellers on AliExpress use to send packages by Singapore post offices?

In our company, there are too many choices for you to consider. Ali express have 3 Ways. one is easy logistics one is online …Those two ways all by Cainiao yizhan which Ali themselves logistical way,but also online model still have another logistics company. For the beginner choose easy logistics don't need to worry about your delivery time frame will have an bad effect to your online shop. The last one is offline. It consists of different logistical companies. Means their logistics partners. Now we already finished cooperating with them, For big onli shop, they are prefer use this way, because the shipping cost is cheaper.