How much is the annual patent fee for China enterprises to pay wifi technical standards?

The annual patent fee for wifi technology standards paid by Chinese enterprises is calculated on an annual basis. Patent number 1 ~ 3 years 900 yuan, 4 ~ 6 years 1200 yuan, 7 ~ 9 years 2000 yuan,10 ~/2 years 4000 yuan, 13 ~ 15 years 6000 yuan. The utility model and design were in 600 yuan in 1 ~ 3, 900 yuan in 4 ~ 5, 1200 yuan in 6 ~ 8, and 2000 yuan in 9 ~ 10.