What does “China's top-exported goods” mean?

It means selected suppliers and commodities in Alibaba from industrial belt of China.

Others FAQ

How do I delete my posts in the Discussion Forums? What is Sales Trends Reports? How do I participate in discussion in Buyer Community? Production Monitoring Services Terms and Conditions How do I join Alibaba.com Affiliates? What is “Est. Profit”?

Alibaba.com

Contacts and support channels for Alibaba.com customer service team, including email and live chat support, social media contacts, a knowledge base, and community forum.