The General Administration of Customs (GAC) said in a statement that the total exports and imports stood at 2.23 trillion yuan (USD 355.96 billion) last month registering USD 18.16 billion surplus.
China's foreign trade volume grew by 15.7 percent year on year in April, faster than the 12.1 percent increase in March.
Exports rose 14.7 per cent year-on-year to 1.17 trillion yuan, while imports surged 16.8 per cent to 1.06 trillion yuan, the data showed.
In the first four months of the year, total foreign trade expanded 14 per cent from a year ago to 8.36 trillion yuan, while trade surplus stood at 383.46 billion yuan (USD 18.16 billion).
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The GAC started using the yuan, besides the US dollar, to calculate its trade figures from February in an effort to promote the international use of the Chinese currency, state-run Xinhua news agency reported.
The positive trade trend was in contrast to the decline of China's Purchasing Managers' Index (PMI) for the manufacturing sector to 50.6 per cent in April from 50.9 per cent in March, raising concerns over continued slow down of the world's second largest economy.
China's total trade grew just 6.2 per cent last year, well below the official target of about 10 per cent.