Tangxing attaches great importance to the research and development of new technologies and products. In recent years, Tangxing has done a lot of fruitful work in trenchless pipe jacking equipment and hydraulic system integration, and has successfully developed Slurry pressure balance, earth pressure balance and slurry and earth pressure dual-purpose pipe jacking machine. These products have been well applied and widely praised in the Chinese domestic market. The pipe jacking machine produced by Tangxing participated in the construction of key projects such as the domestic West-to-East Natural Gas Transportation Project, the South-to-North Water Diversion Project, the Northwest Liaoning Pipeline, the Western Pipeline, The Yellow River to Zhengzhou Water Division, Wuhan Rail Transit, and Xi'an Urban Sewage Pipeline Network Reconstruction, and accumulated jacking mileage up to 200 kilometers.