慈溪市四网光通信设备厂 （品牌：4W）位于浙江省、宁波市。是一家专业生产、销售的厂家。主要产品有：FTTH光纤入户系列产品。公司一贯坚持“质量第一，用户至上，优质服务，信守合同”的宗旨，凭借着高质量的产品，良好的信誉，优质的服务，、电子元件产品的民营企业。产业覆盖了移动通信配套设备、光通信设备及器件、数据通信设备、宽带接入通信设备、通信工程等领域。四网光通信依凭先进的管理、完善的质保体系、强大的技术力量、雄厚的综合实力和企业诚信，已成为中国移动、中国电信、中国联通及部分国外通信运营商的主要设备供应商，并广泛应用于广电、电力、邮政、军事单位、政府机关、企事业单位等专网，同时为国内外主设备厂商提供配套产品。
历经几年的发展，四网从低端通信产品制造业发展成为高科技产业。以拥有国内外先进水平的钣金自动化加工数控设备、全自动喷涂流水线、光通信器件等生产设备，并配套齐全高精度检测仪器，为产品提供了可靠的质量保证。
Cixifournetworkopticalcommunicationequipmentfactory(referredtoas:4W)islocatedinZhejiangProvince,Ningbocity.Isaprofessionalproductionandsalesofmanufacturers.Themainproductsare:FTTHfiberhomeproducts.Thecompanyhasconsistentlyadheredtothe"qualityfirst,customerfirst,qualityservice,abidebythecontract,"thepurpose,withhighqualityproducts,goodreputation,qualityservice,electroniccomponentsproductsofprivateenterprises.Industrycoverageofmobilecommunicationequipment,opticalcommunicationequipmentanddevices,datacommunicationsequipment,broadbandaccesscommunicationequipment,communicationengineeringandotherfields.Fournetworksopticalcommunicationandrelyingonadvancedmanagement,perfectqualityassurancesystem,strongtechnicalforce,strongcomprehensivestrengthandintegrityoftheenterprisehasbecomeChinaMobile,ChinaTelecom,ChinaUnicomandoverseastelecomoperatorsofmajorequipmentsuppliers,andiswidelyusedinwideelectricity,electricity,postalservices,militaryunits,governmentagencies,enterprisesandinstitutions,suchasnetwork,aswellasthemainequipmentmanufacturerstoprovideancillaryproducts.
Afterseveralyearsofdevelopment,thefournetworkfromthelow-endcommunicationsproductsmanufacturingindustryhasdevelopedintoahigh-techindustry.TohavedomesticandinternationaladvancedlevelofsheetmetalautomaticCNCmachiningequipment,automaticsprayingline,opticalcommunicationdevicesandotherproductionequipmentandcompletehighp