XML 24 R79.htm IDEA: XBRL DOCUMENT v3.20.1
Taxation - Reconciliation of actual income tax expense and amount computed by applying the PRC statutory income tax rate (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2017
CNY (¥)
Taxation        
Income/(loss) before tax $ (72,770) ¥ (506,621) ¥ 108,459 ¥ 3,015
Income tax computed at PRC statutory tax rate   (126,655) 27,115 754
Tax rate differential not subject to PRC income tax   (3,193) (576) 631
Non-deductible expense   151,990 2,245 4,147
Effect of preferential tax rate (Note*)   47,979 (5,153) (3,102)
Change in valuation allowance   (56,920) (8,651) 3,348
Additional deduction for research and development expenses   (9,700) (8,732) (3,412)
Tax-exempted income   (1,440) (2,306)  
Late payment surcharge on uncertain tax position   1,321 544  
Other   384 (53)  
Income tax expense $ 541 ¥ 3,766 ¥ 4,433 ¥ 2,366
Statutory tax rate (as a percent) 25.00% 25.00% 25.00% 25.00%