The central parity rate of the Chinese currency renminbi, or the yuan, strengthened 64 basis points to 6.653 against the US dollar on Wednesday, according to the China Foreign Exchange Trading System.
In China's spot foreign exchange market, the yuan is allowed to rise or fall by two per cent from the central parity rate each trading day, Xinhua news agency reported.
The central parity rate of the yuan against the US dollar is based on a weighted average of prices offered by market makers before the opening of the interbank market each business day.
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