# China Exhaust Fan, Cow House Fan, Circulation Fan, Factory - Jienuo > Jienuo is a leading manufacturer and supplier in China, specializing in the production of exhaust fan, cow house fan, circulation fan, etc. If you are searching for a factory, please consider us. ## Home - [Home](https://www.jienuoexhaustfan.com/) ## About Us - [About Us](https://www.jienuoexhaustfan.com/about.html) - [FAQ](https://www.jienuoexhaustfan.com/about/faq.html) - [Send Inquiry](https://www.jienuoexhaustfan.com/message.html) - [Contact Us](https://www.jienuoexhaustfan.com/contact.html) ## Products - [Products](https://www.jienuoexhaustfan.com/products.html) - [Exhaust Fan](https://www.jienuoexhaustfan.com/exhaust-fan) - [Cow House Fan](https://www.jienuoexhaustfan.com/cow-house-fan) - [Circulation Fan](https://www.jienuoexhaustfan.com/circulation-fan) - [Cone Fan](https://www.jienuoexhaustfan.com/cone-fan) - [Cooling Pad](https://www.jienuoexhaustfan.com/cooling-pad) - [Air Cooler](https://www.jienuoexhaustfan.com/air-cooler) - [Heater](https://www.jienuoexhaustfan.com/heater) - [Centrifugal Type Exhaust Fan](https://www.jienuoexhaustfan.com/centrifugal-type-exhaust-fan) - [Hammer Type Exhaust Fan](https://www.jienuoexhaustfan.com/hammer-type-exhaust-fan) - [Belt Cow Fan](https://www.jienuoexhaustfan.com/belt-cow-fan) - [Directly Cow Fan](https://www.jienuoexhaustfan.com/directly-cow-fan) - [Round Cowhouse Fan](https://www.jienuoexhaustfan.com/round-cowhouse-fan) - [Greenhouse Circulation Fan](https://www.jienuoexhaustfan.com/greenhouse-circulation-fan) - [ABS Circulation Fan](https://www.jienuoexhaustfan.com/abs-circulation-fan) - [Butterfly Cone Fan](https://www.jienuoexhaustfan.com/butterfly-cone-fan) - [FRP Cone Fan](https://www.jienuoexhaustfan.com/frp-cone-fan) - [Cyclone Fan](https://www.jienuoexhaustfan.com/cyclone-fan) - [Paper Cooling Pad](https://www.jienuoexhaustfan.com/paper-cooling-pad) - [Plastic Cooling Pad](https://www.jienuoexhaustfan.com/plastic-cooling-pad) - [Cooling Pad with Frame](https://www.jienuoexhaustfan.com/cooling-pad-with-frame) - [Cooling Pad Production line](https://www.jienuoexhaustfan.com/cooling-pad-production-line) - [Oil Fired Heater](https://www.jienuoexhaustfan.com/oil-fired-heater) - [Gas Fired Heater](https://www.jienuoexhaustfan.com/gas-fired-heater) - [Coal Fired Heater](https://www.jienuoexhaustfan.com/coal-fired-heater) - [Electric Heater](https://www.jienuoexhaustfan.com/electric-heater) - [Indirect Diesel Heater](https://www.jienuoexhaustfan.com/indirect-diesel-heater) - [Direlt Diesel Heater](https://www.jienuoexhaustfan.com/direlt-diesel-heater) - [Round Cow House Fan](https://www.jienuoexhaustfan.com/round-cow-house-fan.html) - [Vertical Circulation Fan](https://www.jienuoexhaustfan.com/vertical-circulation-fan.html) - [Round Panel Cow Fan](https://www.jienuoexhaustfan.com/round-panel-cow-fan.html) - [7090 Model Fresh Air Cooling Pad](https://www.jienuoexhaustfan.com/7090-model-fresh-air-cooling-pad.html) - [Green Color Cooling Pad for Greenhouse](https://www.jienuoexhaustfan.com/green-color-cooling-pad-for-greenhouse.html) - [7090 Model Cooling Pad](https://www.jienuoexhaustfan.com/7090-model-cooling-pad.html) - [Evaporative Cooling Pad for Poultry Farm](https://www.jienuoexhaustfan.com/evaporative-cooling-pad-for-poultry-farm.html) - [Mixed Cooling Pad](https://www.jienuoexhaustfan.com/mixed-cooling-pad.html) - [Galvanized Sheet Poultry Exhaust Fan](https://www.jienuoexhaustfan.com/galvanized-sheet-poultry-exhaust-fan.html) - [Temperature Control Exhaust Fan](https://www.jienuoexhaustfan.com/temperature-control-exhaust-fan.html) - [Industrial Hot Air Ventilation Fan](https://www.jienuoexhaustfan.com/industrial-hot-air-ventilation-fan.html) - [Workshop Galvanized Ventilation Box Fan](https://www.jienuoexhaustfan.com/workshop-galvanized-ventilation-box-fan.html) - [Factory Stainless Steel Shutter door Ventilation Fan](https://www.jienuoexhaustfan.com/factory-stainless-steel-shutter-door-ventilation-fan.html) - [Brown Cooling Pad](https://www.jienuoexhaustfan.com/brown-cooling-pad.html) - [Green Cooling Pad](https://www.jienuoexhaustfan.com/green-cooling-pad.html) - [Temperature Controll Cooling Pad](https://www.jienuoexhaustfan.com/temperature-controll-cooling-pad.html) - [Industrial Air Conditioner Poultry Farm Cooling Pad](https://www.jienuoexhaustfan.com/industrial-air-conditioner-poultry-farm-cooling-pad.html) - [Industrial Wet Curtain Cooling Pad](https://www.jienuoexhaustfan.com/industrial-wet-curtain-cooling-pad.html) - [Industrial Centrifugal Exhaust Fan](https://www.jienuoexhaustfan.com/industrial-centrifugal-exhaust-fan.html) - [Air Ventilation Equipment Poultry Exhaust Fan](https://www.jienuoexhaustfan.com/air-ventilation-equipment-poultry-exhaust-fan.html) - [50 Inch Temperature Control Exhaust Fan](https://www.jienuoexhaustfan.com/50-inch-temperature-control-exhaust-fan.html) - [36 Inch Industrial Ventilation Fan](https://www.jienuoexhaustfan.com/36-inch-industrial-ventilation-fan.html) - [Galvanized Sheet Workshop Ventilation Fan](https://www.jienuoexhaustfan.com/galvanized-sheet-workshop-ventilation-fan.html) - [Fiber Paper Cooling Pad Wet Wall](https://www.jienuoexhaustfan.com/fiber-paper-cooling-pad-wet-wall.html) - [Cooling Pad Water Curtain Wet Wall](https://www.jienuoexhaustfan.com/cooling-pad-water-curtain-wet-wall.html) - [Cooling Pad Wet Curtain Wall](https://www.jienuoexhaustfan.com/cooling-pad-wet-curtain-wall.html) - [Cellulose Paper Cooling Pad](https://www.jienuoexhaustfan.com/cellulose-paper-cooling-pad.html) - [Wetted Pad Paper](https://www.jienuoexhaustfan.com/wetted-pad-paper.html) - [Heavy Duty Factory Hammer Exhaust Fan](https://www.jienuoexhaustfan.com/heavy-duty-factory-drop-hammer-exhaust-fan.html) - [Chicken House Axial Flow Ventilation Fan](https://www.jienuoexhaustfan.com/chicken-house-axial-flow-ventilation-fan.html) - [Industrial CE Air Fan for Factory Cooling System](https://www.jienuoexhaustfan.com/industrial-ce-air-fan-for-factory-cooling-system.html) - [Chicken House Air Cooling Exhaust Fan](https://www.jienuoexhaustfan.com/chicken-house-air-cooling-exhaust-fan.html) - [Heavy Hammer Ventilation Exhaust Fan](https://www.jienuoexhaustfan.com/heavy-hammer-ventilation-exhaust-fan.html) - [Galvanized Stainless Steel Factory Ventilation Fan](https://www.jienuoexhaustfan.com/galvanized-stainless-steel-galvanized-factory-ventilation-fan.html) - [Workshop Push Pull Exhaust Fan](https://www.jienuoexhaustfan.com/workshop-push-pull-exhaust-fan.html) - [Galvanized Steel Negative Pressure Factory Exhaust Fan](https://www.jienuoexhaustfan.com/galvanized-steel-negative-pressure-factory-exhaust-fan.html) - [Chicken House Ventilation Fan](https://www.jienuoexhaustfan.com/chicken-house-ventilation-fan.html) - [Industrial Air Cooling Exhaust Fan](https://www.jienuoexhaustfan.com/industrial-fan.html) - [Livestock Fuel Oil Heater](https://www.jienuoexhaustfan.com/livestock-fuel-oil-heater.html) - [Industry Hot Air Generator](https://www.jienuoexhaustfan.com/industry-hot-air-generator.html) - [Diesel Fired Heater](https://www.jienuoexhaustfan.com/diesel-fired-heater.html) - [Greenhouse Hot Air Generator](https://www.jienuoexhaustfan.com/greenhouse-hot-air-generator.html) - [Livestock Hot Air Generator](https://www.jienuoexhaustfan.com/livestock-hot-air-generator.html) - [Poultry Electric Hot Air Generator](https://www.jienuoexhaustfan.com/poultry-electric-hot-air-generator.html) - [Livestock Electric Hot Air Generator](https://www.jienuoexhaustfan.com/livestock-electric-hot-air-generator.html) - [Industry Automatic Electric Hot Air Heater](https://www.jienuoexhaustfan.com/industry-automatic-electric-hot-air-heater.html) - [Coal Fired Livestock Hot Air Generator](https://www.jienuoexhaustfan.com/coal-fired-livestock-hot-air-generator.html) - [Coal Fired Hot Air Generator](https://www.jienuoexhaustfan.com/coal-fired-hot-air-generator.html) - [Industry Gas Hot Air Generator](https://www.jienuoexhaustfan.com/industry-gas-hot-air-generator.html) - [Gas Fired Heater Hot Air Blower](https://www.jienuoexhaustfan.com/gas-fired-heater-hot-air-blower.html) - [JQL Gas Fired Heater](https://www.jienuoexhaustfan.com/jql-gas-fired-heater.html) - [Automatic Oil Fired Hot Air Generator](https://www.jienuoexhaustfan.com/automatic-oil-fired-hot-air-generator.html) - [Full Automatic Oil Fired Hot Air Generator](https://www.jienuoexhaustfan.com/full-automatic-oil-fired-hot-air-generator.html) - [Oil Fired Hot Air Heater](https://www.jienuoexhaustfan.com/oil-fired-hot-air-heater.html) - [Air Cooler Top Outlet](https://www.jienuoexhaustfan.com/air-cooler-top-outlet.html) - [Factory Air Cooler](https://www.jienuoexhaustfan.com/factory-air-cooler.html) - [36 Inch Air Cooler](https://www.jienuoexhaustfan.com/36-inch-air-cooler.html) - [Cooling Pad Water Chiller-ed Air Cooling Equipment](https://www.jienuoexhaustfan.com/cooling-pad-water-chiller-ed-air-cooling-equipment.html) - [1100 Model Cooling Pad Production Line](https://www.jienuoexhaustfan.com/1100-model-cooling-pad-production-line.html) - [Galvanized Steel Frame Cooling Pad](https://www.jienuoexhaustfan.com/galvanized-steel-frame-wetted-pad.html) - [Aluminum Alloy Frame Cooling Pad](https://www.jienuoexhaustfan.com/aluminum-alloy-frame-wetted-pad.html) - [Black Color Plastic Cooling Pad](https://www.jienuoexhaustfan.com/black-color-plastic-cooling-pad.html) - [PP Cooling Pad](https://www.jienuoexhaustfan.com/pp-cooling-pad.html) - [Greenhouse Wetted Curtain](https://www.jienuoexhaustfan.com/greenhouse-wetted-curtain.html) - [Greenhouse Cooling Pad](https://www.jienuoexhaustfan.com/greenhouse-wetted-pad.html) - [Cyclone Fan](https://www.jienuoexhaustfan.com/cyclone-fan.html) - [72 Inch Cyclone Fan](https://www.jienuoexhaustfan.com/72-inch-cyclone-fan.html) - [FRP Directly Type Cone Fan](https://www.jienuoexhaustfan.com/frp-directly-type-cone-fan.html) - [FRP Belt Type Cone Fan](https://www.jienuoexhaustfan.com/frp-belt-type-cone-fan.html) - [Chicken House Butterfly Cone Fan](https://www.jienuoexhaustfan.com/chicken-house-butterfly-cone-fan.html) - [Galvanized Sheet Butterfly Cone Fan](https://www.jienuoexhaustfan.com/galvanized-sheet-butterfly-cone-fan.html) - [Poultry House Circulation Fan](https://www.jienuoexhaustfan.com/poultry-house-circulation-fan.html) - [Circulation Fan for Greenhouse](https://www.jienuoexhaustfan.com/circulation-fan-for-greenhouse.html) - [Stainless Seel Greenhouse Circulation Fan](https://www.jienuoexhaustfan.com/stainless-seel-greenhouse-circulation-fan.html) - [400 New Type Greenhouse Circulation Fan](https://www.jienuoexhaustfan.com/400-new-type-greenhouse-circulation-fan.html) - [Galvanized Round Cowhouse Fan](https://www.jienuoexhaustfan.com/galvanized-round-cowhouse-fan.html) - [Round Cow Fan](https://www.jienuoexhaustfan.com/round-cow-fan.html) - [6 Blades Cow Fan](https://www.jienuoexhaustfan.com/6-blades-cow-fan.html) - [Direct Drive Cow Fan](https://www.jienuoexhaustfan.com/direct-drive-cow-fan.html) - [36 Inch Cow House Fan](https://www.jienuoexhaustfan.com/36-inch-cow-house-fan.html) - [Stainless Steel Blade Cowhouse Fan](https://www.jienuoexhaustfan.com/stainless-steel-blade-cowhouse-fan.html) - [Cowhouse Hanging Exhaust Fan](https://www.jienuoexhaustfan.com/cowhouse-hanging-exhaust-fan.html) - [High Speed Galvanized Stainless Steel Exhaust Fan](https://www.jienuoexhaustfan.com/high-speed-galvanized-stainlesss-steel-exhaust-fan.html) - [Livestock Extractor Exhaust Fan](https://www.jienuoexhaustfan.com/livestock-extractor-exhaust-fan.html) - [Greenhouse Heavy Hammer Ventilation Cooling Fan](https://www.jienuoexhaustfan.com/greenhouse-heavy-hammer-ventilation-cooling-fan.html) - [50 Inch Chickenhouse Exhaust Fan](https://www.jienuoexhaustfan.com/50-inch-chickenhouse-exhaust-fan.html) - [High Power Centrifugal Ventilation Fan](https://www.jienuoexhaustfan.com/high-power-centrifugal-ventilation-fan.html) - [Poultry Farm Exhaust Fan](https://www.jienuoexhaustfan.com/poultry-farm-exhaust-fan.html) - [Coal Fired Industry Hot Air Generator](https://www.jienuoexhaustfan.com/coal-fired-industry-hot-air-generator.html) ## News - [News](https://www.jienuoexhaustfan.com/news.html) - [Company News](https://www.jienuoexhaustfan.com/news/company-news) - [Industry News](https://www.jienuoexhaustfan.com/news/industry-news) - [Why Energy Efficiency and Smart Controls Are Reshaping the Centrifugal Exhaust Fan Market in 2026](https://www.jienuoexhaustfan.com/news/why-energy-efficiency-and-smart-controls-are-reshaping-the-centrifugal-exhaust-fan-market-in-2026.html) - [Why Do Grow Tents And Hydroponic Systems Require Temperature Control Exhaust Fans?](https://www.jienuoexhaustfan.com/news/why-do-grow-tents-and-hydroponic-systems-require-temperature-control-exhaust-fans.html) - [Why Is Stainless Steel Or Polyamide Preferred For Round Cow House Fan Blades?](https://www.jienuoexhaustfan.com/news/why-is-stainless-steel-or-polyamide-preferred-for-round-cow-house-fan-blades.html) - [How to Choose Efficient Belt Cow Fan for Livestock and Industrial Ventilation Needs?](https://www.jienuoexhaustfan.com/news/how-to-choose-efficient-belt-cow-fan-for-livestock-and-industrial-ventilation-needs.html) - [​The 23rd (2026) China Animal Husbandry Expo.](https://www.jienuoexhaustfan.com/news/-the-23rd-2026-china-animal-husbandry-expo.html) - [How Does an Aluminum Alloy Frame Cooling Pad Improve Ventilation Efficiency and Cooling Performance in Modern Industrial and Agricultural Applications](https://www.jienuoexhaustfan.com/news/how-does-an-aluminum-alloy-frame-cooling-pad-improve-ventilation-efficiency-and-cooling-performance-in-modern-industrial-and-agricultural-applications.html) - [What Makes a Round Cowhouse Fan Essential for Livestock Ventilation?](https://www.jienuoexhaustfan.com/news/what-makes-a-round-cowhouse-fan-essential-for-livestock-ventilation.html) - [What Makes a Cyclone Fan the Ideal Choice for Industrial Ventilation?](https://www.jienuoexhaustfan.com/news/what-makes-a-cyclone-fan-the-ideal-choice-for-industrial-ventilation.html) - [How Does a Centrifugal Type Exhaust Fan Improve Airflow Efficiency and Indoor Air Quality?](https://www.jienuoexhaustfan.com/news/how-does-a-centrifugal-type-exhaust-fan-improve-airflow-efficiency-and-indoor-air-quality.html) - [Exhaust Fan And Cooling Pad](https://www.jienuoexhaustfan.com/news/exhaust-fan-and-cooling-pad.html) - [What are the environmental and energy efficiency benefits of centrifugal exhaust fans?](https://www.jienuoexhaustfan.com/news/what-are-the-environmental-and-energy-efficiency-benefits-of-centrifugal-exhaust-fans.html) - [Application of JIENUO Exhaust fan](https://www.jienuoexhaustfan.com/news/application-of-jienuo-exhaust-fan.html) - [New FRP fan product produced by Jienuo](https://www.jienuoexhaustfan.com/news/new-frp-fan-product-produced-by-jienuo.html) - [What is the structure and working principle of the air cooler?](https://www.jienuoexhaustfan.com/news/what-is-the-structure-and-working-principle-of-the-air-cooler.html) - [What are the design points of air coolers?](https://www.jienuoexhaustfan.com/news/what-are-the-design-points-of-air-coolers.html) - [Do you know what are the characteristics of industrial hot air generators?](https://www.jienuoexhaustfan.com/news/do-you-know-what-are-the-characteristics-of-industrial-hot-air-generators.html) - [Do Exhaust Fans Need to Be Vented Outside?](https://www.jienuoexhaustfan.com/news/do-exhaust-fans-need-to-be-vented-outside.html) - [Can Exhaust Fans Cool a Room?](https://www.jienuoexhaustfan.com/news/can-exhaust-fans-cool-a-room.html) - [What is the Difference Between an Exhaust Fan and an Air Fan?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-an-exhaust-fan-and-an-air-fan.html) - [What is the function of cowhouse fans?](https://www.jienuoexhaustfan.com/news/what-is-the-function-of-cowhouse-fans.html) - [Does ABS circulation fan really works?](https://www.jienuoexhaustfan.com/news/does-abs-circulation-fan-really-works-.html) - [Is It OK to Sleep with an Air Cooler On?](https://www.jienuoexhaustfan.com/news/is-it-ok-to-sleep-with-an-air-cooler-on-.html) - [What is an Air Cooler?](https://www.jienuoexhaustfan.com/news/what-is-an-air-cooler-.html) - [Does an Air Cooler Effectively Cool a Room?](https://www.jienuoexhaustfan.com/news/does-an-air-cooler-effectively-cool-a-room-.html) - [Why Poultry Farm Exhaust Fans Are Essential for Healthy Bird Environments](https://www.jienuoexhaustfan.com/news/why-poultry-farm-exhaust-fans-are-essential-for-healthy-bird-environments.html) - [The Versatility and Efficiency of Cone Fans in Ventilation Solutions](https://www.jienuoexhaustfan.com/news/the-versatility-and-efficiency-of-cone-fans-in-ventilation-solutions.html) - [Enhancing Cow Comfort and Productivity with Advanced Cow House Fans](https://www.jienuoexhaustfan.com/news/enhancing-cow-comfort-and-productivity-with-advanced-cow-house-fans.html) - [What is the Difference Between a Circulating Fan and an Electric Fan?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-a-circulating-fan-and-an-electric-fan-.html) - [Does an Air Circulation Fan Really Work?](https://www.jienuoexhaustfan.com/news/does-an-air-circulation-fan-really-work-.html) - [What Does a Circulation Fan Do?](https://www.jienuoexhaustfan.com/news/what-does-a-circulation-fan-do-.html) - [What is the Difference Between Duct Fan and Exhaust Fan?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-duct-fan-and-exhaust-fan-.html) - [What is the Advantage of a Heater?](https://www.jienuoexhaustfan.com/news/what-is-the-advantage-of-a-heater-.html) - [Do Air Coolers Really Work?](https://www.jienuoexhaustfan.com/news/do-air-coolers-really-work-.html) - [Is an Air Cooler Better Than an AC?](https://www.jienuoexhaustfan.com/news/is-an-air-cooler-better-than-an-ac-.html) - [What is a Cone Fan?](https://www.jienuoexhaustfan.com/news/what-is-a-cone-fan-.html) - [What is the Difference Between an Extractor Fan and an Exhaust Fan?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-an-extractor-fan-and-an-exhaust-fan-.html) - [What is the Difference Between an Exhaust Fan and an Industrial Exhaust Fan?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-an-exhaust-fan-and-an-industrial-exhaust-fan-.html) - [How Many Types of Exhaust Fans Are There?](https://www.jienuoexhaustfan.com/news/how-many-types-of-exhaust-fans-are-there-.html) - [What is the Difference Between Centrifugal and Axial Exhaust Fans?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-centrifugal-and-axial-exhaust-fans-.html) - [What is a Centrifugal Exhaust Fan?](https://www.jienuoexhaustfan.com/news/what-is-a-centrifugal-exhaust-fan-.html) - [What is an Industrial Grade Exhaust Fan?](https://www.jienuoexhaustfan.com/news/what-is-an-industrial-grade-exhaust-fan-.html) - [What is the Difference Between a Ventilation Fan and an Exhaust Fan?](https://www.jienuoexhaustfan.com/news/what-is-the-difference-between-a-ventilation-fan-and-an-exhaust-fan-.html) - [Cooling Pad Material Selection](https://www.jienuoexhaustfan.com/news/cooling-pad-material-selection.html) - [Features of Exhaust Fan](https://www.jienuoexhaustfan.com/news/features-of-exhaust-fan.html) - [Heating Equipment Precautions](https://www.jienuoexhaustfan.com/news/heating-equipment-precautions.html) ## Language - [Español](https://es.jienuoexhaustfan.com/) - [Português](https://pt.jienuoexhaustfan.com/) - [русский](https://ru.jienuoexhaustfan.com/) - [Français](https://fr.jienuoexhaustfan.com/) - [日本語](https://ja.jienuoexhaustfan.com/) - [Deutsch](https://de.jienuoexhaustfan.com/) - [tiếng Việt](https://vi.jienuoexhaustfan.com/) - [Italiano](https://it.jienuoexhaustfan.com/) - [Nederlands](https://nl.jienuoexhaustfan.com/) - [ภาษาไทย](https://th.jienuoexhaustfan.com/) - [Polski](https://pl.jienuoexhaustfan.com/) - [한국어](https://ko.jienuoexhaustfan.com/) - [Svenska](https://sv.jienuoexhaustfan.com/) - [magyar](https://hu.jienuoexhaustfan.com/) - [Dansk](https://da.jienuoexhaustfan.com/) - 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