The SCR denitrification renovation project for kiln tail gas of Huaxin (Daye) Co., Ltd., with the high attention of company leaders and the close cooperation of the project management team and all on-site construction personnel, started construction on site on July 25, 2023, and successfully ignited by the owner on October 18. After 86 days, the work of dismantling the humidification tower and air duct (about 154 tons) was completed. And the production and installation of reactor shells, brackets, non-standard inlet and outlet of reactors, steel structure production and installation (about 350 tons), equipment installation (about 180 tons), electrical installation, etc. have received unanimous praise from the owner and general contractor. It is also the only denitrification renovation project completed in advance within the agreed timeframe for Sinoma's overseas denitrification project.