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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Schedule of estimated useful lives of property, plant and equipment

 

 

 

Electronic equipment

    

3 years

Office equipment

 

5 years

Software

 

5 years

Leasehold improvement

 

Shorter of the lease terms or the estimated useful lives of the assets