The introduction of a trading company in Yancheng, with a valid license, is as follows:

1. Company Overview:
The trading company, nestled in the bustling port city of Yancheng, operates primarily within regional or international markets.

2. License Acquisition:
To legally conduct trade activities, the company obtained a valid business license from the local government authority. This license serves as legal proof for the company’s right to engage in trade operations.

3. Industry Focus:
Depending on the specific license issued, the trading company could be specialized in various sectors such as agriculture, machinery, textiles, or even automotive parts.

In conclusion, introducing a trading company in Yancheng with a valid license is a significant step towards legal and profitable trade activities.