A trade company operating in Tongcheng, with a valid business license, can be described as follows:

1. Company Name: The name of the trade company located in Tongcheng would typically reflect its operations and local ties.

2. Business Registration: To legally operate in Tongcheng, the trade company has obtained the necessary business registration or license issued by the local authorities.

3. License Information: The specific details of the trade company’s license in Tongcheng might include the type of license (e.g., import/export permit, general business license), the expiration date, and any conditions attached to the license.

Overall, this trade company in Tongcheng is a legally recognized entity operating with an approved business license.