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Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Summary of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following:


						As of December 31,
						2020				2021
		Notes				RMB				RMB				US$
Short-term contract liability							113,860,926				325,857,410				51,134,138
Notes Payable			i				—				123,803,438				19,427,461
Customer advances			ii				23,032,980				77,811,758				12,210,363
Payable to dealers							37,610,651				50,680,407				7,952,862
Payable to employees							66,058,774				34,285,667				5,380,169
Deposit due to third-parties							19,105,683				18,891,289				2,964,455
Other tax payables							26,851,725				16,494,783				2,588,391
Accrued professional service fees							4,630,000				8,697,657				1,364,852
Derivative financial liability							—				5,346,389				838,965
Payable to suppliers							5,090,553				4,003,912				628,301
Interest payable							1,237,131				2,667,405				418,574
Others							27,255,779				50,495,262				7,923,811

							324,734,202				719,035,377				112,832,342