What is the treatment of Yunnan Xianfeng Chemical Co., Ltd.?

Unless it's someone inside, who will know?

And what are the chances of meeting someone related to the company you mentioned here?

The people who call the other party know best and are willing to explain.

This is their job, they have the responsibility to explain, and they are the most accurate.

Others are not credible, and employees may not be fully aware of them.