China reported 37 new symptomatic Covid-19 cases and 20 new asymptomatic cases on Thursday, according to the National Health Commission.
The NHC counts symptomatic and asymptomatic positive cases in separate tallies.
There were no new deaths recorded.
That raises China's total to 88,328 confirmed cases and 4,677 deaths, according to data from Johns Hopkins University.
Stepping up testing: China ramped up it's testing in recent weeks, reaching 4.84 million tests conducted each day by the end of July, said Wang Jiangping, Vice Minister of the Ministry of Industry and Information Technology.
Nationwide, almost 5,000 medical institutions and 38,000 technicians were on hand to carry out the mass testing blitz.
"A total of nearly 200 million copies of testing kits have been distributed to hospitals, disease control centers, customs ports, and third-party testing agencies across the country," Wang said.