Tianyancha claims that Dulutong is a registered trademark of Anshan Jiutong Media Center, so it is true. However, as a means of publicity, TV will inevitably exaggerate the efficacy of its products, which is understandable. For its real efficacy, it is still necessary to target the specific situation of specific people. If it's just the right medicine, the effect may be really good.

In 2000, Liaoning Satellite TV launched the news program "The First Time". In April 2003, the program signal of Liaoning Satellite TV landed in Canberra, the capital of Australia. In 2004, it landed in the United States through AMC4 satellite KUBANDEIRP channel 1. In 2005, the channel realized the program transfer in Macao.