Is the original business of Tai Ding New Materials Company still there after SF's backdoor listing?

It's gone. SF Express is an express delivery company, which was established on 20 17. According to the company's information, it is known that the company is listed on the backdoor, and the original business of Tai Ding New Materials Company is gone, and the company has also changed its name to SF Holdings. Because the transportation company has fast transportation time, it has a very good reputation in the industry.