China's national carbon emission allowance (CEA) prices edged higher on Jul 27, with the closing price at 93.77 yuan, up 0.20% from the previous day, data from the Shanghai Environment and Energy Exchange showed. The day's total CEA trading volume reached 437,360 tonnes, with a total turnover of 41.22 million yuan. Listed contracts accounted for 137,360 tonnes worth 12.88 million yuan, while bulk contracts traded 300,000 tonnes valued at 28.34 million yuan, with no one-way bidding conducted.