China's e-commerce giant JD.com on Tuesday reported a 22.9 percent year-on-year increase in net revenue in the second quarter of this year, amounting to 150.3 billion yuan (21.34 billion U.S. dollars), according to JD.com's unaudited financial results.

The NASDAQ-listed company also saw its net income attributable to ordinary shareholders increase by 644 percent year-on-year to 3.56 billion yuan in the second quarter.

As of June 30, the company had 321.3 million annual active customer accounts, steady growth from 310.5 million in the 12 months ended March 31, 2019.

"JD.com delivered robust growth in the second quarter across key the metrics of revenue, profitability, cash flow and customer base," said chief financial officer Sidney Huang, noting that the company will continue to invest in user experience and talented workforce.

The company has continued to attract premium global brands to its e-commerce platform and consolidate a leading position in its logistics network by operating approximately 600 warehouses with an aggregate gross floor area of more than 15 million square meters by the end of June.

Net revenue for the third quarter are expected to be between 126 billion yuan and 130 billion yuan, representing a growth rate between 20 percent and 24 percent compared with the third quarter of 2018.

JD.com had more than 220,000 merchants on its online marketplace and over 179,000 full-time employees as of June 30, 2019.