Liam Cai runs sourcing and pre-payment checks out of Yiwu, China, through United Profit Import and Export. Six years of placing orders, walking factory floors and getting goods onto ships for buyers in North America and Europe, after five years building software.

Liam Cai runs sourcing and pre-payment checks out of Yiwu, China, through United Profit Import and Export. Six years of placing orders, walking factory floors and getting goods onto ships for buyers in North America and Europe, after five years building software. His company, Supplymo, publishes free tools for import duty, HS classification and shipment volume at supplymo.com. He talks about what a 1688 price actually contains, why the tariff number a supplier gives you is often the wrong one, and what he checks before a client wires a deposit. He does not quote fixed tax rates or guarantee customs outcomes, and says so on the record.