At the end of March 2018, the Engineering Director of Wyndham Hotel Greater China gathered together, and "Tongli" was invited by Wyndham Hotel Group in the United States to provide a comprehensive explanation and application introduction on the technology of "Tongli" equipment for the Engineering Director of Wyndham Hotel Greater China.

For a long time, the performance and stability of "Tongli" equipment have been highly praised and appreciated by Wyndham Hotel Group in the United States. "Tongli" has officially become the global strategic procurement supplier of Wyndham Hotel Group in the United States since 2017.