00000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 00000002 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00000003 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000004 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 00000005 - Statement - Consolidated Statements of Changes in Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 00000006 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 999014 - Disclosure - Organization and business overview link:presentationLink link:calculationLink link:definitionLink 999015 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 999016 - Disclosure - Accounts receivable, net link:presentationLink link:calculationLink link:definitionLink 999017 - Disclosure - Other current assets link:presentationLink link:calculationLink link:definitionLink 999018 - Disclosure - Loan to third party link:presentationLink link:calculationLink link:definitionLink 999019 - Disclosure - Borrowings link:presentationLink link:calculationLink link:definitionLink 999020 - Disclosure - Property and equipment, net link:presentationLink link:calculationLink link:definitionLink 999021 - Disclosure - Inventories, net link:presentationLink link:calculationLink link:definitionLink 999022 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 999023 - Disclosure - Bank loans link:presentationLink link:calculationLink link:definitionLink 999024 - Disclosure - Accruals and other current liabilities link:presentationLink link:calculationLink link:definitionLink 999025 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 999026 - Disclosure - Related party transactions and balances link:presentationLink link:calculationLink link:definitionLink 999027 - Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 999028 - Disclosure - Other operating expenses link:presentationLink link:calculationLink link:definitionLink 999029 - Disclosure - Other income link:presentationLink link:calculationLink link:definitionLink 999030 - Disclosure - Loss per share link:presentationLink link:calculationLink link:definitionLink 999031 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 999032 - Disclosure - Subsequent events link:presentationLink link:calculationLink link:definitionLink 999033 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 999034 - Disclosure - Organization and business overview (Tables) link:presentationLink link:calculationLink link:definitionLink 999035 - Disclosure - Summary of significant accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 999036 - Disclosure - Accounts receivable, net (Tables) link:presentationLink link:calculationLink link:definitionLink 999037 - Disclosure - Other current assets (Tables) link:presentationLink link:calculationLink link:definitionLink 999038 - Disclosure - Loan to third party (Tables) link:presentationLink link:calculationLink link:definitionLink 999039 - Disclosure - Borrowings (Tables) link:presentationLink link:calculationLink link:definitionLink 999040 - Disclosure - Property and equipment, net (Tables) link:presentationLink link:calculationLink link:definitionLink 999041 - Disclosure - Inventories, net (Tables) link:presentationLink link:calculationLink link:definitionLink 999042 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 999043 - Disclosure - Bank loans (Tables) link:presentationLink link:calculationLink link:definitionLink 999044 - Disclosure - Accruals and other current liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 999045 - Disclosure - Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 999046 - Disclosure - Related party transactions and balances (Tables) link:presentationLink link:calculationLink link:definitionLink 999047 - Disclosure - Income taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 999048 - Disclosure - Other operating expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 999049 - Disclosure - Other income (Tables) link:presentationLink link:calculationLink link:definitionLink 999050 - Disclosure - Loss per share (Tables) link:presentationLink link:calculationLink link:definitionLink 999051 - Disclosure - Schedule of company and subsidiaries (Details) link:presentationLink link:calculationLink link:definitionLink 999052 - Disclosure - Schedule of estimated useful lives (Details) link:presentationLink link:calculationLink link:definitionLink 999053 - Disclosure - Summary of significant accounting policies (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999054 - Disclosure - Schedule of account receivable (Details) link:presentationLink link:calculationLink link:definitionLink 999055 - Disclosure - Schedule of allowance doubtful accounts (Details) link:presentationLink link:calculationLink link:definitionLink 999056 - Disclosure - Schedule of other current assets (Details) link:presentationLink link:calculationLink link:definitionLink 999057 - Disclosure - Schedule of loan to third parties (Details) link:presentationLink link:calculationLink link:definitionLink 999058 - Disclosure - Loan to third party (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999059 - Disclosure - Schedule of loan from third party (Details) link:presentationLink link:calculationLink link:definitionLink 999060 - Disclosure - Borrowings (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999061 - Disclosure - Schedule of property and equipment (Details) link:presentationLink link:calculationLink link:definitionLink 999062 - Disclosure - Property and equipment, net (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999063 - Disclosure - Schedule of inventories (Details) link:presentationLink link:calculationLink link:definitionLink 999064 - Disclosure - Schedule of movement in provision for stock obsolescence (Details) link:presentationLink link:calculationLink link:definitionLink 999065 - Disclosure - Inventories, net (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999066 - Disclosure - Schedule of non-cancellable operating lease contracts (Details) link:presentationLink link:calculationLink link:definitionLink 999067 - Disclosure - Schedule of amount recognized in the consolidated balance sheets (Details) link:presentationLink link:calculationLink link:definitionLink 999068 - Disclosure - Schedule of lease cost (Details) link:presentationLink link:calculationLink link:definitionLink 999069 - 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Disclosure - Schedule of major related parties and their relationships with the company (Details) link:presentationLink link:calculationLink link:definitionLink 999078 - Disclosure - Related party transactions and balances (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999079 - Disclosure - Schedule of reconciliation between of the statutory tax rate to the effective tax rate (Details) link:presentationLink link:calculationLink link:definitionLink 999080 - Disclosure - Schedule of deferred tax (Details) link:presentationLink link:calculationLink link:definitionLink 999081 - Disclosure - Income taxes (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999082 - Disclosure - Schedule of other operating expenses (Details) link:presentationLink link:calculationLink link:definitionLink 999083 - Disclosure - Schedule of other income (Details) link:presentationLink link:calculationLink link:definitionLink 999084 - Disclosure - Schedule of calculation of basic and diluted net income per share (Details) link:presentationLink link:calculationLink link:definitionLink