China announced on Thursday that Hu Jintao, the country's president, would attend a summit on nuclear security in Washington later this month, a goodwill gesture to the US after weeks of tension over a range of issues.
In recent weeks, the bilateral relationship has been shaken by President Barack Obama's decision to sell $6.4bn of arms to Taiwan and to meet the Dalai Lama, the exiled Tibetan leader, as well as sometimes heated exchanges over trade, pressure to revalue the Chinese currency and Google's move to defy China's censorship regime.
Since Beijing had not committed itself to attending the April 12 summit until now, there had been worries it could skip the meeting in a sign of displeasure.
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