The “20 Most Popular Trade Companies in Lu’an” refers to a list or ranking of the top twenty companies that engage significantly in trading activities within Lu’an, a city in China.

These companies are likely known for their reliability, product diversity, market share, and possibly for any innovative business practices they may employ.

The information about these trade companies is likely used by various stakeholders such as investors, buyers, suppliers, and the local government to understand the dynamics of the trading sector in Lu’an.