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Disclosure - Organization and Principal Activities link:presentationLink link:calculationLink link:definitionLink 995308 - Disclosure - Liquidity and Capital Resources link:presentationLink link:calculationLink link:definitionLink 995309 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995310 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 995311 - Disclosure - Accounts Receivable link:presentationLink link:calculationLink link:definitionLink 995312 - Disclosure - Prepayments, Other Receivables and Other Current Assets link:presentationLink link:calculationLink link:definitionLink 995313 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 995314 - Disclosure - Intangible Assets, Net link:presentationLink link:calculationLink link:definitionLink 995315 - Disclosure - Accrued Expenses and Other Liabilities link:presentationLink link:calculationLink link:definitionLink 995316 - Disclosure - Employee Benefit Plan link:presentationLink link:calculationLink link:definitionLink 995317 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 995318 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995319 - Disclosure - Concentration link:presentationLink link:calculationLink link:definitionLink 995320 - Disclosure - Related Party Transactions and Balances link:presentationLink link:calculationLink link:definitionLink 995321 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 995322 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995323 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 995324 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 996325 - Disclosure - Accounting Policies, by Policy (Policies) link:presentationLink link:calculationLink link:definitionLink 996326 - 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Schedule of Unaudited Condensed Consolidated Statement of Operations Restated (Details) link:presentationLink link:calculationLink link:definitionLink 996342 - Disclosure - Summary of Significant Accounting Policies - Schedule of Unaudited Condensed Consolidated Statement of Changes in Equity Restated (Details) link:presentationLink link:calculationLink link:definitionLink 996343 - Disclosure - Summary of Significant Accounting Policies - Significant Schedule of Unaudited Condensed Consolidated Statement of Cash Flows Restated (Details) link:presentationLink link:calculationLink link:definitionLink 996344 - Disclosure - Summary of Significant Accounting Policies - Schedule of Translation of Amounts from RMB into US (Details) link:presentationLink link:calculationLink link:definitionLink 996345 - Disclosure - Summary of Significant Accounting Policies - Schedule of Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 996346 - Disclosure - Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 996347 - Disclosure - Summary of Significant Accounting Policies - ​Schedule of Estimates the Fair Value to those Warrants Using the Black-Scholes Valuation Model (Details) link:presentationLink link:calculationLink link:definitionLink 996348 - Disclosure - Summary of Significant Accounting Policies - ​Schedule of Finance Lease Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 996349 - Disclosure - Summary of Significant Accounting Policies - Schedule of Future Scheduled Minimum Lease Payments for Investments in Sales-Type Leases (Details) link:presentationLink link:calculationLink link:definitionLink 996350 - Disclosure - Summary of Significant Accounting Policies - Schedule of Useful Life of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 996351 - Disclosure - Summary of Significant Accounting Policies - Schedule of Disaggregated Information of Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 996352 - Disclosure - Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996353 - Disclosure - Discontinued Operations - Schedule of Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996354 - Disclosure - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 996355 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 996356 - Disclosure - Accounts Receivable - Schedule of Movement of Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 996357 - Disclosure - Prepayments, Other Receivables and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996358 - Disclosure - Prepayments, Other Receivables and Other Current Assets - Schedule of Prepayments, Other Receivables and Other Current Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996359 - Disclosure - Prepayments, Other Receivables and Other Current Assets - Schedule of Movement of Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 996360 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996361 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 996362 - Disclosure - Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996363 - Disclosure - Intangible Assets, Net - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996364 - Disclosure - Intangible Assets, Net - Schedule of Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 996365 - Disclosure - Accrued Expenses and Other Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996366 - Disclosure - Employee Benefit Plan (Details) link:presentationLink link:calculationLink link:definitionLink 996367 - Disclosure - Equity (Details) link:presentationLink link:calculationLink link:definitionLink 996368 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 996369 - Disclosure - Income Taxes - Schedule of Net Loss Before Income Tax by Jurisdiction (Details) link:presentationLink link:calculationLink link:definitionLink 996370 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996371 - Disclosure - Concentration (Details) link:presentationLink link:calculationLink link:definitionLink 996372 - Disclosure - Related Party Transactions and Balances (Details) link:presentationLink link:calculationLink link:definitionLink 996373 - Disclosure - Related Party Transactions and Balances - Schedule of Due from Related Parties (Details) link:presentationLink link:calculationLink link:definitionLink 996374 - Disclosure - Related Party Transactions and Balances - Schedule of Allowance for Credit Losses Due from Jinkailong (Details) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Related Party Transactions and Balances - Schedule of Operating Lease Right-of-Use Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996376 - Disclosure - Related Party Transactions and Balances - Schedule of Operating Lease Right of Use Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996377 - Disclosure - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 996378 - Disclosure - Leases - Schedule of Company’s Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 996379 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 996380 - Disclosure - Segment Information - Schedule of Segment's Revenue, Loss from Operations, Loss Before Income Taxes and Net Loss (Details) link:presentationLink link:calculationLink link:definitionLink