Related party transactions (Details 1) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Related parties payables	$ 972,555	$ 261,385
Mr. Li Ji Yong [Member]
Related Party Transaction [Line Items]
Related parties payables	42	42
Uonlive H K Ltd [Member]
Related Party Transaction [Line Items]
Related parties payables	10,829	10,828
Mr. Raymond Fu [Member]
Related Party Transaction [Line Items]
Related parties payables	380,132	178,784
Jinyang H K Assets Mgt Ltd [Member]
Related Party Transaction [Line Items]
Related parties payables	54,143	54,143
Mr Wang Qing Jian [Member]
Related Party Transaction [Line Items]
Related parties payables	$ 27,409	$ 17,588