TheGroupmadeestimatesandassumptionsconcerningthefutureinthepreparationoftheconsolidatedfinancialstatements.Theestimatesandassumptionsthathaveasignificantriskofcausingamaterialadjustmenttothecarryingamountsoftheassetsandliabilitiesidentifiedbymanagementincludedimpairmentprovisionforinventoriesandtradereceivables,provisionfortaxation,provisionforlossonguarantees,property,plantandequipment,right-of-useassetandintangibleassetsimpairmentassessment,estimateofusefullivesofproperty,plantandequipmentandfairvalueofinvestmentproperties.ThesearedisclosedinNote4totheconsolidatedfinancialstatements.