Related party transactions (Details 1) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Related parties payables	$ 261,385	$ 77,785
Mr. Li Ji Yong [Member]
Related Party Transaction [Line Items]
Related parties payables	42
Uonlive H K Ltd [Member]
Related Party Transaction [Line Items]
Related parties payables	10,828
Mr. Raymond Fu [Member]
Related Party Transaction [Line Items]
Related parties payables	178,784	77,785
Jinyang H K Assets Mgt Ltd [Member]
Related Party Transaction [Line Items]
Related parties payables	54,143
Mr Wang Qing Jian [Member]
Related Party Transaction [Line Items]
Related parties payables	$ 17,588