BEIJING, June 18 (Xinhua) -- The central parity rate of the Chinese currency renminbi, or the yuan, strengthened 1 pips to 7spartanslots100freespins.1148 against the Uspartanslots100freespins.S. dollar Tuesday, according to the China Foreign Exchange Trade System.

spartanslots100freespins|Chinese yuan strengthens to 7.1148 against USD Tuesday

In China's spot foreign exchange market, the yuan is allowed to rise or fall by 2 percent from the central parity rate each trading day.

The central parity rate of the yuan against the U.S. dollar is based on a weighted average of prices offered by market makers before the opening of the interbank market each business day.