BEIJING — China's postal industry logged a steady increase in business revenue in the first four months of this year, official data showed.

During the period, the postal sector saw its business revenue rise 6.3 percent year-on-year to 421.97 billion yuan (about $63 billion), according to data from the State Post Bureau.

In April alone, business revenue of this sector came in at 95.09 billion yuan, down 4.9 percent from a year ago.

China's courier companies handled a total of 31.71 billion parcels in the January-April period, an increase of 4.2 percent. Their business volume declined 11.9 percent last month to 7.48 billion parcels.