00000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 00000002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00000003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000004 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00000005 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000006 - Statement - Condensed Consolidated Statements of Changes in Shareholders' Deficit (Unaudited) link:presentationLink link:calculationLink link:definitionLink 00000007 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 999008 - Disclosure - Organization and business overview link:presentationLink link:calculationLink link:definitionLink 999009 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 999010 - Disclosure - Account receivable, net link:presentationLink link:calculationLink link:definitionLink 999011 - Disclosure - Other current assets link:presentationLink link:calculationLink link:definitionLink 999012 - Disclosure - Loan to third parties link:presentationLink link:calculationLink link:definitionLink 999013 - Disclosure - Property and equipment, net link:presentationLink link:calculationLink link:definitionLink 999014 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 999015 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 999016 - Disclosure - Bank loans link:presentationLink link:calculationLink link:definitionLink 999017 - Disclosure - Accruals and other current liabilities link:presentationLink link:calculationLink link:definitionLink 999018 - 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Disclosure - Summary of significant accounting policies (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999047 - Disclosure - Schedule of account receivable (Details) link:presentationLink link:calculationLink link:definitionLink 999048 - Disclosure - Schedule of other current assets (Details) link:presentationLink link:calculationLink link:definitionLink 999049 - Disclosure - Schedule of loan to third parties (Details) link:presentationLink link:calculationLink link:definitionLink 999050 - Disclosure - Loan to third parties (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999051 - Disclosure - Schedule of property and equipment (Details) link:presentationLink link:calculationLink link:definitionLink 999052 - Disclosure - Property and equipment, net (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999053 - Disclosure - Schedule of inventories (Details) link:presentationLink link:calculationLink link:definitionLink 999054 - Disclosure - Inventories (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999055 - Disclosure - Leases (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999056 - Disclosure - Schedule of non-cancellable operating lease contracts (Details) link:presentationLink link:calculationLink link:definitionLink 999057 - Disclosure - Schedule of amount recognized in the consolidated balance sheets (Details) link:presentationLink link:calculationLink link:definitionLink 999058 - Disclosure - Schedule of lease cost (Details) link:presentationLink link:calculationLink link:definitionLink 999059 - Disclosure - Schedule of future minimum lease payments under non-cancellable operating lease agreements (Details) link:presentationLink link:calculationLink link:definitionLink 999060 - Disclosure - Schedule of other supplemental information about lease (Details) link:presentationLink link:calculationLink link:definitionLink 999061 - Disclosure - 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