Model: EC Series
Airflow: 300 - 11000 m³/h
Static Pressure: 300 - 1500 Pa
Drive Form: Direct Drive
Features: High Efficiency and Energy Saving: The EC motor achieves precise control through electronic commutation technology, offering higher energy efficiency compared to traditional motors and significantly reducing power consumption; Variable Speed Regulation: It provides a wide range of speed adjustment, allowing dynamic adjustment of airflow based on actual needs for precise control and energy-efficient operation; Intelligent Control: Supports integration with building automation systems, enabling remote monitoring and control via network for intelligent management; Precise Temperature Control: In HVAC systems, EC fans can more accurately control temperature and humidity, enhancing overall system performance.

Model: JHF-P series
Performance: The maximum air volume is 200000m³/h, and the maximum residual pressure at the outlet after filtration is 2000Pa
Structure: Built-in high-efficiency centrifugal fan, intelligent control of variable frequency permanent magnet motor, high-strength sealed soundproof box
Features: dynamic balance G2.5, primary, medium, high-efficiency, odor air filtration, sterilization and disinfection
Uses: clean workshop fresh air, corrosion medium collection and exhaust, cabin hospital ward air supply and exhaust, anti-corrosion, explosion-proof ventilation, etc
Authoritative certification: energy-saving secondary energy efficiency certification, explosion-proof CCC certification, EU CE certification, patent authorization, Zhejiang Province scientific and technological achievements appraisal products

Model: HTFC series
Performance: maximum air volume 266000m³/h, maximum power 200KW
Structure: Built-in high-efficiency centrifugal fan, peripheral silencing and anti-corrosion box
Features: The highest efficiency is up to 80%, and the impeller dynamic balance G2.5
Uses: fire smoke exhaust, oil smoke, water vapor, corrosive and other special medium gas transportation, low-noise pipeline ventilation, explosion-proof ventilation, etc
Authoritative certification: energy-saving secondary energy efficiency certification, explosion-proof CCC certification, national fire certification, EU CE certification, patent authorization, Zhejiang Province scientific and technological achievements appraisal products

Model: JSF series
Performance: maximum air volume 307100m³/h, maximum power 132KW
Structure: high-strength cast aluminum alloy impeller, integrated spinning duct, hoop type reinforced structure
Features: Adjustable angle of airfoil blades, smooth aerodynamics, dynamic balance G2.5
Uses: fire fighting high temperature smoke exhaust, pipeline pressurized air supply, low-noise pipeline ventilation, explosion-proof ventilation, etc
Authoritative certification: energy-saving secondary energy efficiency certification, explosion-proof CCC certification, national fire certification, EU CE certification, patent authorization, Zhejiang Province scientific and technological achievements appraisal products

Model: JSF-G Series
Performance: Maximum air volume 307,100 m³/h, maximum power 132 KW
Structure: The blades adopt a unique spatial distortion structure to ensure the product has better aerodynamic performance
Features: Compared to conventional impellers, it has higher static pressure
Applications: Fire high-temperature smoke exhaust, pipeline pressurized air supply, low-noise pipeline ventilation, explosion-proof ventilation, etc.
Authoritative Certifications: Energy-saving Grade 1 Energy Efficiency Certification, Explosion-proof CCC Certification, National Fire Safety Certification, EU CE Certification, Patent Authorization, Zhejiang Provincial Scientific and Technological Achievement Appraisal Product

Model: GFJZ-PY/JY
Applicable fan air volume: 18,000 - 260,000 m³/h
Applicable fan type: Fire-fighting/pressure supply fan (centrifugal, axial flow)
Core performance features:
- Polywin's patented product for smoke exhaust and prevention, the first in China to respond to the requirements of smoke exhaust and prevention standards by providing a replacement for outdoor fan rooms with fire protection, rain protection, and protection functions;
- Widely applied to the protection requirements of fans on rooftops and outdoors across the country;
- This product features no occupation of building area, reduced roof load, rain and sun protection, fire resistance and heat resistance, ventilation and heat dissipation, flexible functional combination, simple disassembly and assembly, and an aesthetically pleasing appearance;
- According to fire protection standards, the fire resistance limit is over 1 hour (customized services can be provided based on on-site installation conditions).

Model: JSF Series
Performance: Maximum air volume 160,000 m³/h, maximum power 75 KW
Structure: The blades adopt a unique spatial distortion structure, providing higher static pressure
Features: Achieves first-level energy efficiency rating
Applications: Fire high-temperature smoke exhaust, pipeline pressurized air supply, low-noise pipeline ventilation, explosion-proof ventilation, etc.
Authoritative Certifications: Energy-saving first-level energy efficiency certification, explosion-proof CCC certification, national fire protection certification, EU CE certification, patent authorization, Zhejiang Province scientific and technological achievement appraisal product

Model: JHF Series
Performance: Maximum air volume 320610 m³/h, Maximum pressure 22000 Pa
Structure: Airfoil centrifugal impeller, automatically welded by robot, highly precise automatic calibration
Features:使用寿命考核为100,000 hours, Dynamic balance G2.5
Application： Ventilation for industrial production lines， exhaust gas transportation for environmental protection systems， anti-corrosion and explosion-proof ventilation， transportation of special medium gases such as moisture-resistant， high-temperature-resistant and wear-resistant gases
Authoritative Certification： Energy-saving first-level energy efficiency certification， explosion-proof CCC certification， EU CE certification， patent authorization， product of Zhejiang Province's scientific and technological achievement appraisal

Model: JDF series
Performance: minimum noise 21dB(A), maximum air volume 3000m³/h
Structure: compact centrifugal impeller, high-precision silent motor, low-noise silencing treatment shell
Features: Silent design, large air volume, good exhaust effect, dynamic balance G2.5
Uses: ventilation of high-end hotels and conference center rooms, cold and heat recovery and replacement of energy-saving ventilation, ceiling and ceiling installation, concealed and concealed installation of pipelines;
Authoritative certification: energy-saving second-level energy efficiency certification, patent authorization, third-party inspection report, Zhejiang Province scientific and technological achievements appraisal products

Model: JRTC Centrifugal \ JSF Axial Series
Performance: Maximum air volume 220,800 m³/h, Maximum impeller diameter 2.4m
Structure: Aluminum-manganese alloy impeller, whole machine made of aluminum alloy, motor separated independently from the medium air
Features: Permanent non-corrosion for outdoor installation, strong exhaust suction at high altitudes, dynamic balance G2.5
Applications: Ventilation and air exchange for factory buildings, workshops, building rooftops; outdoor fresh air filtration and air supply, anti-corrosion and explosion-proof ventilation, etc.
Authoritative Certifications: Energy-saving Grade II Energy Efficiency Certification, Explosion-proof CCC Certification, National Fire Protection Certification, EU CE Certification, Patent Authorization, Zhejiang Province Scientific and Technological Achievement Appraisal Product

Model: DWEX series
Performance: maximum air volume 64500m³/h, minimum power 0.03kW
Structure: sickle serrated impeller, external rotor motor, rain-proof, insect-proof, outdoor wind back-irrigation device integrated
Features: American industrial design, functional integration, dynamic balance G2.5
Uses: wall heat dissipation, ventilation and ventilation of factory workshops, outdoor fresh air filtration, air supply, anti-corrosion and explosion-proof ventilation, etc
Authoritative certification: energy-saving secondary energy efficiency certification, explosion-proof CCC certification, EU CE certification, patent authorization, Zhejiang Province scientific and technological achievements appraisal products

Model: JHF Series
Performance: Maximum air volume 320610 m³/h, Maximum pressure 22000 Pa
Structure: Airfoil centrifugal impeller, automatically welded by robot, highly precise automatic calibration
Features:使用寿命考核为100,000 hours， Dynamic balance G2.5
Application： Ventilation for industrial production lines， exhaust gas transportation for environmental protection systems， anti-corrosion and explosion-proof ventilation， transportation of special medium gases such as moisture-resistant， high-temperature-resistant and wear-resistant gases
Authoritative Certification： Energy-saving first-level energy efficiency certification， explosion-proof CCC certification， EU CE certification， patent authorization， product of Zhejiang Province's scientific and technological achievement appraisal

Model: JHF Series
Performance: Maximum air volume 100,000 m³/h, Maximum pressure 3100 Pa
Structure: Rearward-inclined centrifugal impeller, robotically automatically welded and formed, highly precise automatic calibration
Features: Specifically designed and developed for industrial furnaces or waste gas incineration systems, featuring high temperature resistance, high efficiency, and low noise
Applications: Ventilation for industrial production lines, waste gas transportation in environmental protection systems, anti-corrosion and explosion-proof ventilation, transportation of special medium gases such as moisture-resistant, high-temperature-resistant, and wear-resistant gases
Authoritative Certifications: Energy-saving Grade II Energy Efficiency Certification, Explosion-proof CCC Certification, EU CE Certification, Patent Authorization, Zhejiang Province Science and Technology Achievement Appraisal Product

Model: JLF Series
Performance: Utilizes the natural evaporation of water to absorb heat and humidify the air, as well as cool it down.
Structure: A highly energy-efficient workshop air conditioner that combines cooling, ventilation, dust prevention, and odor removal functions in one.
Features: The system is well-designed, with the evaporation area and air volume matching appropriately, ensuring the best cooling effect and the lowest wind resistance coefficient.
Application: Suitable for open or semi-open environments. Outdoor fresh air is filtered and cooled by the Polyjing evaporative cooling fan, forming clean cold air that continuously supplies to the interior, creating positive pressure and removing the turbid hot air from the interior. It also combines multiple functions such as cooling, ventilation, and increasing the oxygen content in the air, making it particularly suitable for high-temperature, odor-prone, severely polluted, and densely populated areas.

Model: GEO series
Performance: maximum air volume 60000m³/h, maximum power 45KW
Structure: Quadruple filtration and purification, the box body is designed with integrated bottom frame structure, and the structure is stable and easy to install.
Features: The fan has been calibrated and tested by static and dynamic balance, and has the characteristics of low noise, high efficiency, and stable operation.
Uses: Widely used in: hotels, hotels, school canteens, food street restaurants, barbecue stalls, food processing enterprises production line fumes

Model: GES Series
Performance: Maximum air volume 320610 m³/h, maximum pressure 22000 Pa
Features: System linkage, safety guarantee, spark detection alarm extinction system, highly sensitive; Nano-level oil-resistant and odor-removing filtration device, durable and long-lasting; Fireproof device uses stainless steel bonded polytetrafluoroethylene net, resistant to oil and high temperature; Automatic lifting type, large capacity of ash hopper, convenient cleaning
Application: Mainly used for collecting and treating smoke and dust generated during the production process of equipment (metal sheet laser, plasma, flame cutting machines). Authorized certification: Explosion-proof CCC certification, Zhejiang Province scientific and technological achievement appraisal product, China Environmental Protection Product Certification Certificate

Model: GES-TNK
Structure: Dry filter box, activated carbon adsorption module, CO furnace, main exhaust fan, desorption fan, supplementary cooling fan, activated carbon, catalyst, etc.
Features: Intermittent/continuous operation; Honeycomb activated carbon, high adsorption efficiency; Utilization of waste heat, energy conservation; Intelligent protection system, safe and reliable.
Application: Targeted working conditions: For large volume, medium to low concentration exhaust gases in industries such as coating, mechanical and electrical, plastics, chemicals, automobiles, shipbuilding, rubber, ink printing, cables and enameled wires.
Authoritative certification: Zhejiang Provincial Science and Technology Achievement Appraisal Product, China Environmental Protection Product Certification Certificate