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Document and Entity Information
Financial Statements
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Parenthetical)
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' (DEFICITS)/EQUITY
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' (DEFICITS)/EQUITY (Parenthetical)
CONSOLIDATED STATEMENTS OF CASH FLOWS
Notes to Financial Statements
ORGANIZATION
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
CONCENTRATION OF RISKS
SHORT-TERM INVESTMENTS
ACCOUNTS RECEIVABLE
INVENTORIES, NET
PREPAID EXPENSES AND OTHER CURRENT ASSETS, NET
PROPERTY AND EQUIPMENT, NET
OTHER NON-CURRENT ASSETS, NET
BORROWINGS
ACCRUED EXPENSES AND OTHER LIABILITIES
RELATED PARTY TRANSACTIONS
RESTRICTED NET ASSETS
CONVERTIBLE REDEEMABLE PREFERRED SHARES
ORDINARY SHARES
SHARE BASED COMPENSATION
TAXATION
LOSS PER SHARE
WARRANT LIABILITY
COMMITMENTS AND CONTINGENCIES
SUBSEQUENT EVENTS
PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION
Accounting Policies
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
ORGANIZATION (Tables)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
CONCENTRATION OF RISKS (Tables)
ACCOUNTS RECEIVABLE (Tables)
INVENTORIES, NET (Tables)
PREPAID EXPENSES AND OTHER CURRENT ASSETS, NET (Tables)
PROPERTY AND EQUIPMENT, NET (Tables)
OTHER NON-CURRENT ASSETS, NET (Tables)
BORROWINGS (Tables)
ACCRUED EXPENSES AND OTHER LIABILITIES (Tables)
RELATED PARTY TRANSACTIONS (Tables)
SHARE BASED COMPENSATION (Tables)
TAXATION (Tables)
LOSS PER SHARE (Tables)
WARRANT LIABILITY (Tables)
COMMITMENTS AND CONTINGENCIES (Tables)
PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION (Tables)
Notes Details
ORGANIZATION (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Convenience translation, Accounts receivable and Inventories (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and equipment (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impairment of long-lived assets other than goodwill (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Sales and marketing expenses and General and administrative expenses ,Income taxes (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Employee benefit expenses and Segment reporting (Details)
CONCENTRATION OF RISKS (Details)
SHORT-TERM INVESTMENTS (Details)
ACCOUNTS RECEIVABLE (Details)
INVENTORIES, NET (Details)
PREPAID EXPENSES AND OTHER CURRENT ASSETS, NET (Details)
PREPAID EXPENSES AND OTHER CURRENT ASSETS, NET - Additional Information (Details)
PROPERTY AND EQUIPMENT, NET (Details)
PROPERTY AND EQUIPMENT, NET - Equipment held under capital lease (Details)
OTHER NON-CURRENT ASSETS, NET (Details)
BORROWINGS - Schedule of total borrowings (Details)
BORROWINGS - Additional Information (Details)
ACCRUED EXPENSES AND OTHER LIABILITIES (Detail)
RELATED PARTY TRANSACTIONS - Significant related party transactions (Details)
RELATED PARTY TRANSACTIONS - Related Party Balances (Details)
RESTRICTED NET ASSETS (Details)
CONVERTIBLE REDEEMABLE PREFERRED SHARES (Details)
ORDINARY SHARES (Details)
SHARE BASED COMPENSATION (Details)
SHARE BASED COMPENSATION - Options granted to employees (Details)
SHARE BASED COMPENSATION - Fair value of employee share options (Details)
TAXATION - Enterprise income tax ("EIT") (Details)
TAXATION - Reconciliation of tax (Details)
TAXATION - Components of deferred taxes (Details)
TAXATION - Unrecognized tax benefits (Details)
LOSS PER SHARE (Details)
WARRANT LIABILITY (Details)
COMMITMENTS AND CONTINGENCIES - Operating lease commitments (Details)
COMMITMENTS AND CONTINGENCIES - Capital commitments (Details)
SUBSEQUENT EVENTS (Details)
PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION - Condensed balance sheets (Details)
PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION - Condensed statements of comprehensive loss (Details)
PARENT COMPANY ONLY CONDENSED FINANCIAL INFORMATION - Condensed statements of cash flows (Details)
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