How to judge the quality of foreign trade customer leads? What do companies, contacts, and email addresses verify?

Foreign trade leads involve three independent layers of risk: business entity, contact person, and email address. Failure at any one layer will waste development costs. This article outlines the key verification points, public inquiry channels, and stop-loss rules for each layer, and provides implementation verification methods sorted by cost. Xingzhi Customer Acquisition can complete company screening, contact background checking, and email verification in one stop, efficiently accumulating accurate customer leads.