SEMI-ANNUALREPORT2026 ChairmanoftheBoard:CHENLIN August2026 SectionI.ImportantNotice,ContentandParaphrase Thecompany’sboardofdirectors,directors,andseniormanagementensurethetruthfulness,accuracy,and completeness of the semi-annual report,with no false records,misleadingstatements,ormaterialomissions,andassumeindividualandjointlegalliabilities. Ms.ChenLin,personinchargeoftheCompany,Ms.WangWenxin,responsiblepersoninchargeofaccountingandMs.WangWenxin,principalofthefinancialdepartment(accountingofficer)confirmthattheFinancialReportenclosedinthesemi-annualreportoftheCompanyistrue,accurateandcomplete. AlldirectorswerepresentatthemeetingoftheBoardfordeliberatingthesemi-annualreportoftheCompanyinperson. Thefutureplansandotherforward-lookingstatementsmentionedinthisreportdonotconstituteamaterialcommitmentoftheCompanytoinvestors.Investorsandrelevantpartiesshouldpayattentionto investment risks,and understand the differences between plans,forecasts andcommitments. TheCompanyhas described the risk factors and countermeasures of the Company’sfuturedevelopmentindetailinthisreport.PleaserefertoSectionIII.ManagementDiscussionandAnalysis. TheCompanyisrequiredtocomplywiththedisclosurerequirementsrelatingto‘Non‑metallicBuildingMaterialsRelatedBusinesses’setforthintheSelf-RegulatoryGuidelinesforListedCompaniesofShenzhenStockExchangeNo.3–IndustryInformationDisclosure. TheCompanyhasnoplansofcashdividenddistribution,bonussharesbeingsentorconvertingcapitalreserveintosharecapital. ThisreportispreparedbothinChineseandEnglish.ShouldtherebeanyinconsistencybetweentheChineseandEnglishversions,theChineseversionshallprevail. Content SectionI.ImportantNotice,ContentandParaphrase.........................................................................2SectionII.CompanyProfileandKeyFinancialIndicators................................................................6SectionIII.ManagementDiscussionandAnalysis.............................................................................9SectionIV.CorporateGovernance,EnvironmentandSociety...........................................................27SectionV.ImportantEvents...............................................................................................................31SectionVI.ChangesinSharesandParticularsaboutShareholders...................................................56SectionVII.Bond-relatedsituation.....................................................................................................62SectionVIII.FinancialReport............................................................................................................63 DocumentsAvailableforInspection (1)FinancialstatementssignedandsealedbythechairmanoftheBoard,thepersoninchargeofaccountingwork,andthepersoninchargeoftheaccountingdepartment(ChiefFinancialOfficer). (2)TheoriginalsofallcompanydocumentsandtheoriginalmanuscriptsofannouncementsthatwerepubliclydisclosedonthewebsitesdesignatedbytheChinaSecuritiesRegulatoryCommissionduringthereportingperiod. Definitions SectionII.CompanyProfileandKeyFinancialIndicators I.CompanyProfile II.Person/Waytocontact III.Otherinformation 1.Wayofcontact Whetherregisteredaddress,officeaddressandtheirpostalcodes,websiteaddressandemailaddressoftheCompanychangedinthereportperiodornot Theregisteredaddress,officeaddressandtheirpostalcodes,websiteaddressandemailaddressoftheCompanydidnotchangeinthereportperiod.MoredetailscanbefoundinAnnualReport2025. 2.Informationdisclosureandpreparationplace Whetherinformationdisclosureandpreparationplacechangedinthereportperiodornot□Applicable√Notapplicable Thenewspapers designated by the Company for information disclosure,the website designated by CSRC fordisclosingsemi-annualreportandpreparationplaceofsemi-annualreportdidnotchangeinthereportperiod.MoredetailscanbefoundinAnnualReport2025. 3.Otherrelevantinformation Whetherotherrelevantinformationchangedinthereportperiodornot□Applicable√Notapplicable IV.KeyAccountingDataandFinancialIndicators WhethertheCompanyisrequiredtoretrospectivelyadjustorrestateaccountingdataofprioryears□YesNo V.Differenceofaccountingdataunderdomesticandoverseasaccountingstandards 1.DifferencesofthenetprofitandnetassetsdisclosedinfinancialreportpreparedunderinternationalandChineseaccountingstandards □Applicable√NotapplicableNosuchdifferencesinthereportperiod. 2.DifferenceofthenetprofitandnetassetsdisclosedinfinancialreportpreparedunderoverseasandChineseaccountingstandards □Applicable√NotapplicableNosuchdifferencesinthereportingperiod. VI.Itemsandamountsofnon-recurringgainsandlosses √Applicable□Notapplicable Unit:RMB Particularsaboutothergainsandlossesthatmeetthedefinitionofnon-recurringgainsandlosses: Itdidnotexistthatotherprofitandlossitemsmetthedefinitionofnon-recurringgainsandlosses. Explanationofthenon-recurringgainsandlosseslistedintheExplanatoryAnnouncementNo.1onInformationDisclosureforCompaniesOfferingtheirSecuritiestothePublic-Non-recurringGainsandLossesasrecurringgainsandlosses