00000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 00000002 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 00000003 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000004 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 00000005 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY link:presentationLink link:calculationLink link:definitionLink 00000006 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 999012 - Disclosure - Nature of business and organization link:presentationLink link:calculationLink link:definitionLink 999013 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 999014 - Disclosure - Variable interest entity link:presentationLink link:calculationLink link:definitionLink 999015 - Disclosure - Business combination link:presentationLink link:calculationLink link:definitionLink 999016 - Disclosure - Accounts receivable, net link:presentationLink link:calculationLink link:definitionLink 999017 - Disclosure - Other receivables, net link:presentationLink link:calculationLink link:definitionLink 999018 - Disclosure - Accounts payable link:presentationLink link:calculationLink link:definitionLink 999019 - Disclosure - Short-term loans link:presentationLink link:calculationLink link:definitionLink 999020 - Disclosure - Other payables and accrued liabilities link:presentationLink link:calculationLink link:definitionLink 999021 - Disclosure - Related party balances and transactions link:presentationLink link:calculationLink link:definitionLink 999022 - Disclosure - Taxes link:presentationLink link:calculationLink link:definitionLink 999023 - Disclosure - Concentration of risk link:presentationLink link:calculationLink link:definitionLink 999024 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 999025 - Disclosure - Commitments and contingencies link:presentationLink link:calculationLink link:definitionLink 999026 - Disclosure - Segment information and revenue analysis link:presentationLink link:calculationLink link:definitionLink 999027 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 999028 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 999029 - Disclosure - Nature of business and organization (Tables) link:presentationLink link:calculationLink link:definitionLink 999030 - Disclosure - Summary of significant accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 999031 - 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Disclosure - Segment information and revenue analysis (Tables) link:presentationLink link:calculationLink link:definitionLink 999041 - Disclosure - Nature of business and organization (Details) link:presentationLink link:calculationLink link:definitionLink 999042 - Disclosure - Nature of business and organization (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999043 - Disclosure - Summary of significant accounting policies (Details) link:presentationLink link:calculationLink link:definitionLink 999044 - Disclosure - Summary of significant accounting policies (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999045 - Disclosure - Variable interest entity (Details) link:presentationLink link:calculationLink link:definitionLink 999046 - Disclosure - Business combination (Details) link:presentationLink link:calculationLink link:definitionLink 999047 - Disclosure - Business combination (Details 1) link:presentationLink link:calculationLink link:definitionLink 999048 - Disclosure - Business combination (Details 2) link:presentationLink link:calculationLink link:definitionLink 999049 - Disclosure - Business combination (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999050 - Disclosure - Accounts receivable, net (Details) link:presentationLink link:calculationLink link:definitionLink 999051 - Disclosure - Accounts receivable, net (Details 1) link:presentationLink link:calculationLink link:definitionLink 999052 - Disclosure - Other receivables, net (Details) link:presentationLink link:calculationLink link:definitionLink 999053 - Disclosure - Other receivables, net (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999054 - Disclosure - Accounts payable (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999055 - Disclosure - Short term Loans (Details) link:presentationLink link:calculationLink link:definitionLink 999056 - Disclosure - Other payables and accrued liabilities (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999057 - Disclosure - Related party balances and transactions (Details) link:presentationLink link:calculationLink link:definitionLink 999058 - Disclosure - Related party balances and transactions (Details 1) link:presentationLink link:calculationLink link:definitionLink 999059 - Disclosure - Related party balances and transactions (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999060 - Disclosure - Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 999061 - Disclosure - Taxes (Details 1) link:presentationLink link:calculationLink link:definitionLink 999062 - Disclosure - Taxes (Details 2) link:presentationLink link:calculationLink link:definitionLink 999063 - Disclosure - Taxes (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999064 - Disclosure - Concentration of risk (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999065 - Disclosure - Equity (Details 1) link:presentationLink link:calculationLink link:definitionLink 999066 - 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