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1、ProfileInordertoprovideyouwithacomfortableandquietlivingandworkingenvironment,reducethepollutionofnoisetotheenvironmentandimprovepeople’shealth,HydromechanicsEducationandResearchInstituteofTsinghuaUniversitydeveloped6-32,6-45and6-41seriesproductsofboiler
2、forceddraftfanandinduceddraftfantogetherwithourcompany.Thenoiselimitvalueshavereachedtherequirementsof1984JJENo.16FileissuedbyBeijingEnvironmentalProtectionBureauin1984and1986onthenoiselimitofboilerforceddraftfans.In1993,wewontheapprovalcertificateforfan
3、productionissuedbyBeijingEnvironmentalProtectionBureau.Aftertryoutbytheusersinrecentyears,theafter-salefeedbackandmonitoredperformanceslikeflowrate,totalpressure,efficiencyandnoiseallmeettheenvironmentalanddesignrequirements.Withsatisfactoryeffect,thepro
4、ductsarefavoredbytheusers.Advancedoptimizedpneumaticsdesignmethodsareusedforthefans,whichhavethbeendetailedinthemagazineFluidEngineering,11Issue,1988.Since1985,wehavedevelopedafullsetofqualityassurancesystemgradually.Thechairmanoftheboardismasteringthequ
5、alityworkhimself.Thequalitycontrolsystemcenteringdirector,sectionchiefandinspectorhasbeenestablishedintheworkshopsandsectionoffices,whichhascontrolledtheproductqualityatahighlevelandisimprovingitsteadily.In1987,wegottheproductionlicenseissuedbyStateMachi
6、neryCommittee,andwonLevel3certificateofapprovalonmeasuringinthesameyear.Duringproduction,wecarryoutinternational,nationalandindustrialstandardsonfansandinternalcontrolstandardsstrictlytocontrolthequalityofproducts.Intheinspectionandassessmentonauxiliarym
7、achinesforboilersperformedbyChinaIndustrialBoilerInspectionCenterandShanghaiIndustrialBoilerResearchInstitutein1988,oursixmodelsofG/Y6-41forceddraftfansandinduceddraftfans,including2t/h,4t/hand6t/h,wereallawardedtitleofhigh-qualityproduct.In1988,wewonthe
8、SecondPrizeofBeijingScienceProgress,andin1989ourproductswereawardedtitleofBeijingHigh-qualityProduct.In1990,wewontheCertificateofNationalthTechnologyAchievement.In1991,ourproductswerelistedinthe13groupofenergy-savingproduc
