Since WHDF was applied to the Xiaoxikou Hydropower Station Concrete Faced Rockfill Dam project in 1998, there has been no crack or seepage for 23 years. It also means that the Tianyi scientific research team has gone through 23 years from WHDF scientific research achievements to market application. "Focus on doing professional" is the professional spirit of Tianyi scientific research team, and it is also the basis for Tianyi brand to become anti-cracking expert. Only "specialized" can be "refined". “Create high quality products with sincerity and meticulousness" is a response and reflection of "Focus on doing professional". It is because of the corporate spirit that there is corporate mission of “using technology to cure the persistent construction seepage problems and building century-old construction projects in China”. It is because of the corporate spirit that WHDF technology patent reaches the international advanced level and there is quality guarantee of Xiaoxikou Hydropower Station Project without cracks for 23 years.