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ACCOUNTS RECEIVABLE, NET (Tables)
12 Months Ended
Dec. 31, 2020
ACCOUNTS RECEIVABLE, NET  
Schedule of Accounts Receivable, Net

 

 

 

 

 

 

    

As of December 31, 

 

    

2019

    

2020

 

    

RMB

    

RMB

 

 

 

 

 

Accounts receivable

 

20,932

 

27,219

Less: Allowance for doubtful accounts

 

(2,993)

 

(6,247)

Accounts receivable, net

 

17,939

 

20,972

 

Allowance for doubtful accounts:

 

 

 

 

 

 

 

    

As of December 31, 

 

    

2019

    

2020

 

    

RMB

    

RMB

 

 

 

 

 

Balance at beginning of year

 

(3,535)

 

(2,993)

Addition

 

(3,220)

 

(7,857)

Written off

 

3,762

 

4,603

Balance at end of year

 

(2,993)

 

(6,247)