Cash (Tables)

12 Months Ended

Dec. 31, 2022

Cash and Cash Equivalents [Abstract]

Schedule of cash and cash equivalents

	RMB equivalent (US$)		RMB				Total in RMB
	Overseas		China
			Non VIE		VIEs
December 31, 2021		196,642,333		1,316,167		1,453,323		199,411,823
December 31, 2022		212,158,382		1,238,532		33,364,634		246,761,548