1 RMB (Chinese Yuan Renminbi - CNY) is approximately equal to 0.3591 TOP (Tongan Pa'anga). Tongan Pa'anga is the official currency of Tonga. The currency is adopted by the nation to replace Pound at a rate of 2 PaĆ¢anga = 1 Pound on April 3, 1967. The ISO code of the currency is TOP and the symbol is T$.