On July 21, 2021, China's Henan province and other places continued to experience heavy rainfall, zhengzhou and other cities suffered severe waterlogging, some rivers exceeded the alarm level, some reservoirs broke, some railways were suspended and flights were cancelled,causing heavy casualties and property losses, and the flood control situation was very severe.

While relevant departments took measures to rush to Henan for emergency relief, Chemshun also responded by actively donating money and materials, standing together with the people of Henan and Zhengzhou to fight the disaster.