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Disclosure - Summary of Significant Principal Accounting Policies (Schedule of Fair value on a recurring and non-recurring basis) (Details) link:presentationLink link:calculationLink link:definitionLink 99940203 - Disclosure - Summary of Significant Principal Accounting Policies (Schedule of Concentration and Risks) (Details) link:presentationLink link:calculationLink link:definitionLink 99940204 - Disclosure - Summary of Significant Principal Accounting Policies (Useful lives of property, plant and equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 99940205 - Disclosure - Summary of Significant Principal Accounting Policies (Useful lives of Intangible assets) (Details) link:presentationLink link:calculationLink link:definitionLink 99940206 - Disclosure - Summary of Significant Principal Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 99940301 - Disclosure - Revenue - Disaggregation of Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 99940302 - Disclosure - Revenue - Contract Liability (Details) link:presentationLink link:calculationLink link:definitionLink 99940303 - Disclosure - Revenue - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 99940401 - Disclosure - Accounts receivable, net (Details) link:presentationLink link:calculationLink link:definitionLink 99940801 - Disclosure - Intangible assets, net (Details) link:presentationLink link:calculationLink link:definitionLink 99940901 - Disclosure - Business acquisition and deconsolidation (Details) link:presentationLink link:calculationLink link:definitionLink 99940902 - Disclosure - Business acquisition and deconsolidation - Allocation of the purchase price (Details) link:presentationLink link:calculationLink link:definitionLink 99941003 - Disclosure - Long term investments - Schedule of investments in equity method investees (Details) link:presentationLink link:calculationLink link:definitionLink 99941004 - Disclosure - Long term investments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 99941102 - 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