The report, issued by the ministry's transport bureau, said 106 of the 168 problems that occurred during the month stemmed from quality problems with the rolling stock, 21st Century Business Herald reported on Friday.
High-speed trains built by China North Locomotive and Rolling Stock Corp Ltd (CNR), one of the nation's two largest train makers, were found to have the most problems. The report said 56 malfunctions occurred in trains manufactured by CNR's
However, the nation's other major bullet train builders, such as a
The report was an internal notice that circulated to local railway authorities and the nation's train makers, urging the companies to conduct a thorough overhaul of their products, the paper reported.
Last month CNR recalled 54 high-speed trains used on the Beijing-Shanghai line over safety concerns.
Tan Xiaofeng, a spokesman for the corporation, said the recall of the CRH 380BL trains was due to "small problems with components" and was partly attributable to substandard products provided by suppliers.
But Zhang Lei, an engineer with CNR's
However, Wang Jing, a publicity officer at CNR, told China Daily on Sunday the recall had nothing to do with cracks on the axels and none had been found during checks.
On Sunday, the Ministry of Railways said
The number accounts for 67 percent of a full-year target, according to the ministry's statement on its website.