Crude oil futures closed flat Thursday in daytime trading on the Shanghai International Energy Exchange.
The most active crude oil contract for August 2020 delivery closed at 298.9 yuan ($42.65) a barrel.
The total trading volume for 13 listed crude oil futures contracts on the exchange was 119,039 lots, with a turnover of about 36.4 billion yuan.
China launched the crude oil futures trading, which is open to overseas investment, in March 2018.