{"product_id":"ebm-papst-ac4400fnn-ac-axial-compact-fan","title":"ebm-papst AC4400FNN AC axial compact fan","description":"\u003ch3\u003e\u003cspan style=\"background-color: rgb(89, 173, 53);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e  Technical Description\u003c\/span\u003e  \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable style=\"margin-left: 0px; margin-right: auto; width: 100.016%; height: 215.5px;\" class=\"table table-med-mid-blue-gray table-hover\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGeneral description\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eUsable with all line voltages between 85 and 265 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWeight\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e0,370 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDimensions\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e119 x 119 x 25 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eImpeller material\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGlass-fiber reinforced PA plastic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHousing material\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eGlass-fiber reinforced PBTP plastic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAirflow direction\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eExhaust over struts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eService life L10 at 40 °C\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e60000 h\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1818px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 39.1818px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eService life L10 at maximum temperature\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 39.1818px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e30000 h\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1818px;\"\u003e\n\u003cth style=\"text-align: left; width: 31.4549%; height: 39.1818px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOption\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.2684%; height: 39.1818px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eOpen-loop speed control, sensor and alarm signal; improved moisture protection or degree of protection IP54.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"background-color: rgb(89, 173, 53);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e  Nominal data\u003c\/span\u003e  \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable style=\"font-size: 0.875rem; width: 100.016%; height: 217.977px;\" class=\"table table-med-mid-blue-gray table-hover\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePhase\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e1~\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eType of voltage\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNominal voltage\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein V\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e115\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFrequency\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein Hz\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e50\/60\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.0682px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 22.0682px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSpeed\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 22.0682px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein min\u003csup\u003e\u003csmall\u003e-1\u003c\/small\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 22.0682px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e4850\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePower input\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein W\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMin. ambient temperature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein °C\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e-20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMax. ambient temperature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein °C\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e70\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAir flow\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein m³\/h\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e205\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSound power level\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein B\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e6,2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003cth style=\"text-align: left; width: 62.9925%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSound pressure level\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"text-align: left; width: 19.6996%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ein dB(A)\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 14.1591%; height: 19.5909px;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e53\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"spec-row\" style=\"text-align: start;\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c!-- Top Service Tag Bar --\u003e\u003c\/span\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px;\"\u003e\n\u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eFast Global Lead Time\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eWorldwide Door-to-Door Shipping\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eCross-Brand Equivalent Replacement Supply\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003ePre-Production Sample Validation\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eFull Performance Testing \u0026amp; Warranty Support\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eMass In-Stock Inventory\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eISO Standard Quality Assurance\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eCustom Technical Modification\u003c\/span\u003e \u003cspan style=\"background: #59ad35; color: #fff; padding: 6px 12px; border-radius: 4px; font-size: 14px;\"\u003eCost-Optimized Industrial Cooling Modules\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c!-- Product Technical Introduction --\u003e\u003c\/span\u003e\n\u003ch2 style=\"color: #000000; border-left: 4px solid #59ad35; padding-left: 12px; font-size: 22px; margin: 35px 0 15px;\"\u003eProduct Technical Introduction\u003c\/h2\u003e\n\u003cp style=\"line-height: 1.8; font-size: 15px; color: #000000;\"\u003eWe specialize in supplying a full range of industrial and commercial cooling fans, including\u0026amp;nbsp;Axial fans, Centrifugal fans, Tangential blowers, Blowers, Air condition fans, Data center fans, and ICT fans. These fans are widely used in HVAC systems, air conditioning units, data centers, industrial automation equipment, telecom base stations, and power cabinets.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; color: #000000; margin: 25px 0 12px;\"\u003e3 Tiered Sourcing Solutions for Differentiated Engineering Budgets\u003c\/h3\u003e\n\u003cul style=\"line-height: 1.8; font-size: 15px; color: #000000; padding-left: 20px; margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% New Original OEM Units:\u003c\/strong\u003e Authentic genuine brand blowers with complete factory datasheets, original EC drive modules, full parameter consistency, and official brand performance warranties, suitable for high-reliability long-cycle industrial projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Compatible Equivalent Fans:\u003c\/strong\u003e Professionally engineered cross-brand replacement blowers with fully matched outline dimensions, static pressure, air volume, operating voltage, rotational speed, and noise indicators. Significantly lower procurement cost while maintaining equivalent operational stability for mass standardized equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Refurbished \/ Second-Hand Units:\u003c\/strong\u003e Disassembled deep cleaning, bearing replacement, circuit board inspection, and full bench performance calibration. Cost-efficient solution for budget-sensitive maintenance \u0026amp; retrofit projects without sacrificing continuous operating stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c!-- Core Technical Advantages --\u003e\u003c\/span\u003e\n\u003ch3 style=\"font-size: 18px; color: #000000; margin: 30px 0 12px;\"\u003eCore Technical Advantages for Industrial Engineering Projects\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 1fr; gap: 12px;\"\u003e\n\u003cdiv style=\"background: #f7f9fc; padding: 14px; border-radius: 6px; border: 1px solid #e5edf7;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.7; font-size: 15px; color: #000000;\"\u003e\u003cstrong\u003e✅ Full Technical Category Coverage\u003c\/strong\u003e\u003cbr\u003eComplete cooling portfolio ranging from miniature DC compact fans to heavy-duty industrial axial \u0026amp; centrifugal blowers, covering all mainstream airflow pressure and size specifications for cabinet thermal dissipation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f9fc; padding: 14px; border-radius: 6px; border: 1px solid #e5edf7;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.7; font-size: 15px; color: #000000;\"\u003e\u003cstrong\u003e✅ Harsh Climate Adaptation for African Markets\u003c\/strong\u003e\u003cbr\u003eAll cooling units pass high-temperature continuous operation \u0026amp; dust resistance aging tests, optimized for tropical high-heat, high-dust outdoor industrial \u0026amp; telecom site operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f9fc; padding: 14px; border-radius: 6px; border: 1px solid #e5edf7;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.7; font-size: 15px; color: #000000;\"\u003e\u003cstrong\u003e✅ Customized Technical Modification Support\u003c\/strong\u003e\u003cbr\u003eCustomizable frame size, input voltage (AC110\/230V \/ DC24\/48V), speed regulation modules, IP waterproof casing, and wiring harness configurations per customer engineering drawings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f9fc; padding: 14px; border-radius: 6px; border: 1px solid #e5edf7;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.7; font-size: 15px; color: #000000;\"\u003e\u003cstrong\u003e✅ Strict Full-Link Performance Calibration\u003c\/strong\u003e\u003cbr\u003eEvery blower undergoes independent bench testing for air volume, static pressure, operational noise, EC drive efficiency, long-hour continuous stability before warehouse delivery; test reports available upon request.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f9fc; padding: 14px; border-radius: 6px; border: 1px solid #e5edf7;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.7; font-size: 15px; color: #000000;\"\u003e\u003cstrong\u003e✅ Standardized Global After-Sales Technical Support\u003c\/strong\u003e\u003cbr\u003e12-month comprehensive warranty for all supplied units. Free technical troubleshooting, replacement \u0026amp; exchange services for quality defects under rated normal operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c!-- About Us Section --\u003e\u003c\/span\u003e\n\u003ch2 style=\"color: #000000; border-left: 4px solid #59ad35; padding-left: 12px; font-size: 22px; margin: 40px 0 15px;\"\u003eAbout Skyward Telecom\u003c\/h2\u003e\n\u003cp style=\"line-height: 1.8; font-size: 15px; color: #000000;\"\u003eFounded in 2009, Skyward Telecom (Skywardtel) is a professional industrial thermal management supplier rooted in Guangdong, China. We adhere to integrity-driven technical service as our core operation principle, dedicated to resolving procurement difficulties for equipment engineers and manufacturing enterprises seeking stable, cost-effective telecom \u0026amp; industrial cooling ventilation hardware.\u003c\/p\u003e\n\u003cp style=\"line-height: 1.8; font-size: 15px; color: #000000; margin-top: 12px;\"\u003eFor over 15 years, we have delivered standardized customized cooling solutions to engineering clients across more than 80 global countries, accumulating industry-wide recognition for our professional technical matching capability and end-to-end supply chain service.\u003c\/p\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c!-- Technical FAQ --\u003e\u003c\/span\u003e\n\u003ch2 style=\"color: #000000; border-left: 4px solid #59ad35; padding-left: 12px; font-size: 22px; margin: 40px 0 15px;\"\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"font-size: 16px; color: #59ad35; margin: 0 0 8px;\"\u003e1. Who is Skyward Telecom?\u003c\/h4\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000;\"\u003eWe are a China-based industrial cooling fan technical supplier established in 2009, focusing on full-series EC\/AC ventilation equipment global supply. Our core market distribution breakdown: \u003cbr\u003e• Africa Market: 50.00% (primary target for tropical harsh-condition telecom \u0026amp; industrial cooling) \u003cbr\u003e• European Market: 15.00% \u003cbr\u003e• Middle East Market: 10.00% \u003cbr\u003e• Southeast Asia Market: 5.00% \u003cbr\u003e• North \u0026amp; South American Market: 20.00% \u003cbr\u003eOur internal team consists of 80–100 staff, including dedicated thermal engineering technicians providing exclusive technical matching support for emerging tropical markets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"font-size: 16px; color: #59ad35; margin: 0 0 8px;\"\u003e2. How do we guarantee fan technical performance \u0026amp; quality consistency?\u003c\/h4\u003e\n\u003cul style=\"line-height: 1.7; font-size: 15px; color: #000000; padding-left: 20px; margin: 0;\"\u003e\n\u003cli\u003ePre-production prototype sample testing \u0026amp; parameter confirmation available prior to mass order bulk manufacturing;\u003c\/li\u003e\n\u003cli\u003e100% bench testing of airflow, static pressure, noise level, EC drive efficiency and long-run stability before shipment;\u003c\/li\u003e\n\u003cli\u003eDeep cleaning, circuit inspection and mechanical calibration for all original, compatible and refurbished fan units;\u003c\/li\u003e\n\u003cli\u003eOnly units passing multi-index QC calibration will be labeled, packed and arranged for global logistics delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"font-size: 16px; color: #59ad35; margin: 0 0 8px;\"\u003e3. Full Range of Industrial Cooling Equipment We Supply\u003c\/h4\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000;\"\u003eWe provide full thermal dissipation hardware solutions covering all mainstream industrial ventilation types:\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; font-size: 15px; color: #000000; padding-left: 20px; margin-top: 8px;\"\u003e\n\u003cli\u003eAxial Fans: Miniature DC compact cooling fans \u0026amp; large industrial AxiForce axial blowers (200\/250\/300mm frame size)\u003c\/li\u003e\n\u003cli\u003eCentrifugal Fans: EC\/AC forward \u0026amp; backward curved centrifugal blowers for HVAC \u0026amp; heavy industrial equipment\u003c\/li\u003e\n\u003cli\u003eTangential Cross-Flow Blowers: Dedicated cross-flow fans for commercial air conditioning \u0026amp; ventilation systems\u003c\/li\u003e\n\u003cli\u003eHigh-Pressure Industrial Blowers: Boost blowers for heating boilers, industrial drying \u0026amp; ventilation equipment\u003c\/li\u003e\n\u003cli\u003eAir Condition Special Fans: Custom blowers for commercial \u0026amp; industrial integrated air conditioning units\u003c\/li\u003e\n\u003cli\u003eData Center Cooling Fans: High-efficiency low-energy fans for server racks, cabinet thermal management systems\u003c\/li\u003e\n\u003cli\u003eICT Telecom Fans: Specialized cooling blowers for outdoor base stations, network switches \u0026amp; communication power cabinets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000; margin-top: 8px;\"\u003eNew original, performance-matched compatible equivalents and fully calibrated refurbished units are available for nearly all mainstream fan brands \u0026amp; model specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"font-size: 16px; color: #59ad35; margin: 0 0 8px;\"\u003e4. Why choose our cooling fans over competing suppliers?\u003c\/h4\u003e\n\u003cul style=\"line-height: 1.7; font-size: 15px; color: #000000; padding-left: 20px; margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-stop full technical portfolio:\u003c\/strong\u003e All mainstream industrial cooling fan types are stocked, eliminating the need for multi-supplier sourcing for your thermal projects;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-tier flexible cost matching:\u003c\/strong\u003e New original \/ compatible replacement \/ refurbished tested options to align with your project quality standards and procurement budget;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTropical environment optimized solutions:\u003c\/strong\u003e All blowers pass aging tests to adapt to high-temperature, heavy-dust operating environments widely seen across African industrial \u0026amp; telecom sites;\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerified global service track record:\u003c\/strong\u003e 15+ years serving clients in over 80 countries with mature technical matching, stable delivery and transparent procurement procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003ch4 style=\"font-size: 16px; color: #59ad35; margin: 0 0 8px;\"\u003e5. Comprehensive Global Trade \u0026amp; Technical Support Services\u003c\/h4\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000; margin: 0;\"\u003e\u003cstrong\u003eAccepted Incoterms:\u003c\/strong\u003e FOB, CFR, CIF, EXW, FAS, FCA, DDP\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000; margin: 8px 0 0;\"\u003e\u003cstrong\u003eSettlement Currencies:\u003c\/strong\u003e USD, EUR, HKD, GBP, CNY\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000; margin: 8px 0 0;\"\u003e\u003cstrong\u003ePayment Methods:\u003c\/strong\u003e T\/T, L\/C, D\/P, D\/A, MoneyGram, Credit Card, PayPal, Cash\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; font-size: 15px; color: #000000; margin: 8px 0 0;\"\u003e\u003cstrong\u003eMultilingual Technical Support Team:\u003c\/strong\u003e English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian\u003c\/p\u003e\n\u003cdiv style=\"background: #59ad35; padding: 16px; border-radius: 8px; margin-top: 15px;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.8; font-size: 16px; color: #fff; font-weight: bold;\"\u003eSend us your target fan model number, equipment application parameters, and brand requirements, our thermal engineering team will provide a fully customized technical quotation with matching datasheet support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"Ebempapst AC4400FNN AC axial compact fan\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/1.1_dd888db3-af02-495f-b272-15a168ac6880.jpg?v=1761722123\"\u003e\u003cimg alt=\"Ebempapst AC4400FNN AC axial compact fan\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/3.1_defbc45b-6b45-48ab-958b-60b3efbd0875.jpg?v=1761722124\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Skyward Telecom","offers":[{"title":"Default Title","offer_id":50752594542890,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/3.0.jpg?v=1784800744","url":"https:\/\/skyward-telecom.com\/pt\/products\/ebm-papst-ac4400fnn-ac-axial-compact-fan","provider":"Skyward Telecom","version":"1.0","type":"link"}