Attached are the market prices of February 14 for your reference:

201may 13 the central parity of RMB exchange rate in the inter-bank foreign exchange market is: 100 yen to 5. 1729 RMB.

On February 6, 20 15, the central parity of RMB exchange rate in the inter-bank foreign exchange market was: 100 yen to 5. 1962 RMB.

Extended reading

The formation method of the central parity of RMB against Japanese yen is as follows: before the opening of the inter-bank foreign exchange market every day, the trading center makes an inquiry to the market makers in the corresponding currency in the inter-bank foreign exchange market, and averages the quotations of the market makers to obtain the central parity of RMB against Japanese yen on that day.

The exchange rate changes with time, all the time.