How much does it cost to clean the exterior walls of high-rise buildings?

The external wall cleaning cost of high-rise buildings is generally 150 yuan per day. The price of cleaning the exterior walls of high-rise buildings depends on the difficulty, and the wages of workers in different places are different. Generally, if there is no difficulty, it is about 100 yuan. The general charge is between 2-4 yuan/m2. If there are no special circumstances, just wash it once a year. External wall cleaning tool Guangxi electric hanging basket