REVENUE (Tables)

12 Months Ended

Dec. 31, 2021

REVENUE

Schedule of Net revenue

	Years ended December 31,
	2019	2020	2021
Colocation services	3,261,745	4,710,923	6,514,268
Managed service and others	832,826	1,005,945	1,300,136
Service revenue	4,094,571	5,716,868	7,814,404
Equipment sales	27,834	22,104	4,277
Total	4,122,405	5,738,972	7,818,681