What water should be added to Dongfeng Tianlong water tank?

Antifreeze. As of December 7, 2022, the "water" added to the Dongfeng Tianlong water tank is antifreeze. Dongfeng Tianlong is a new generation heavy truck platform launched by Dongfeng Commercial Vehicle Company in Shiyan City. Dongfeng Tianlong has integrated today's world's advanced technologies through international cooperation and achieved a large number of independent innovations in the research and development process.