INDUSTRIAL FAN SOLUTIONS

Your Reliable Partner for Industrial Fans & Ventilation Solutions

CZJ Machinery supplies centrifugal fans, axial fans, HVAC ventilation equipment, and customized solutions for industrial applications worldwide.

THE OPERATION

Who builds the fan you order

Send us the airflow and static pressure you need and we will tell you which model fits — or tell you if none of ours does.

Specs
Duty Point & Motor Requirements
Curve
Model Performance Curve Review
Specs
Destination Document Requirements
OEM
Customization Capability

Leading Centrifugal Fan Supplier in China

CZJ Machinery supplies centrifugal fans and industrial ventilation equipment with model selection and export quotation support. Our product range covers SYP forward-curved, SYZ backward-curved, and SYB external rotor motor series, widely used in central air conditioning systems, cleanrooms, commercial HVAC projects, and industrial ventilation applications.

Compare the quoted fan against its performance curve, installation drawing, motor supply and operating environment. Ask for the manufacturer, test conditions and model-specific compliance documents before placing an order. Availability, certification scope, customization and delivery terms are confirmed in the written quotation.

DOC
Quality Documents
Confirm scope for the quoted model
REQ
Compliance Review
Check destination requirements
🌐
Export Documents
Agree the required document list
⚙️
OEM/ODM
Custom Design & Manufacturing
⚙️

Browse Fan Models

Browse by series and model name. For duty-point selection, send airflow, static pressure and operating conditions through the quote form.

Industrial Catalog Picker

Backward Curved Centrifugal Fan with Mounting Bracket
Centrifugal Fans Series

Backward Curved Centrifugal Fan with Mounting Bracket

Backward Curved Centrifugal Fan with Mounting Bracket

Model ReferenceBackward Curved Centrifugal Fan with Bracket
Main ApplicationsIndustrial Ventilation Systems, Commercial Building Ventilation, HVAC Systems, Air Handling Equipment
Impeller Diameter130-630mm
View DetailsMOQ: 1 set
Heavy-Duty Backward Curved Centrifugal Fan with Bracket
Centrifugal Fans Series

Heavy-Duty Backward Curved Centrifugal Fan with Bracket

Heavy-Duty Backward Curved Centrifugal Fan with Bracket

Model ReferenceHeavy Duty Backward Curved Centrifugal Fan with Bracket
Main ApplicationsIndustrial Ventilation Systems, Commercial Building Ventilation, HVAC Systems, Air Handling Equipment
Impeller Diameter190-500mm
View DetailsMOQ: 1 set
High Efficiency EC Motor Backward Curved Centrifugal Fan
Centrifugal Fans Series

High Efficiency EC Motor Backward Curved Centrifugal Fan

High Efficiency EC Motor Backward Curved Centrifugal Fan

Model ReferenceEC Motor Backward Curved Centrifugal Fan
Main ApplicationsIndustrial Ventilation Systems, Commercial Building Ventilation, HVAC Systems, Air Handling Equipment
Impeller Diameter175-450mm
View DetailsMOQ: 1 set

Technical Specification Matrix

Model SeriesImpeller Dia.Max Air FlowPressure RangeDrive MethodApplications
SYP Forward Series130-270 mm250-3000 m³/hup to 400 PaDirect DriveFCU, AHU, HVAC systems
SYZ Backward Series6 - 12 inches800-5000 m³/hup to 500 PaDirect DriveHigh pressure AHU, Cleanrooms
SYB Rotor Motor Series200-500 mm1000-20000 m³/hup to 600 PaExternal Rotor DirectCompact AHU, Cabinets

Request Technical Quote

Send fan model, airflow, static pressure, voltage, quantity and destination details. Our machinery team will reply with specifications, MOQ, lead time and export quotation.

Add product specifications (optional — gets you a faster, more accurate quote)

Technical Guides & Resources

How to Specify a Commercial Floor Blower for Drying
⚙️ Technical Guide

How to Specify a Commercial Floor Blower for Drying

Choose a commercial floor blower by matching its airflow and outlet direction to the drying area, then confirm speed settings, electrical supply and handling needs. Request operating-point details before approving a model.

Learn More →
Selecting a Centrifugal Fan for a Commercial Kitchen Exhaust System
⚙️ Technical Guide

Selecting a Centrifugal Fan for a Commercial Kitchen Exhaust System

Define kitchen exhaust airflow, pressure, operating conditions and installation details before comparing centrifugal fan models. Use a performance curve and a clear verification checklist to assess each proposed selection.

Learn More →
How to Choose a Low-Profile Inline Duct Fan for False Ceilings
⚙️ Technical Guide

How to Choose a Low-Profile Inline Duct Fan for False Ceilings

Check the ceiling void, duct route and required airflow and pressure before choosing a compact fan. Confirm noise-test conditions, controls and service access with the supplier before ordering.

Learn More →

Frequently Asked Questions

Can you customize fan specifications for my project?
Yes. We support OEM/ODM customization including impeller diameter, motor voltage (220V/380V/440V/690V), housing material, and special coatings to match your working environment.
What certifications do your fans carry?
Certification depends on the manufacturer, model and destination. Request the relevant certificate, issuing body, scope and validity for the exact model in your quotation.
Can I get a technical quote and catalog?
Send the fan model, airflow, static pressure, voltage and quantity through the quote form and we will return a technical quotation. You can also request our product catalog and spec sheets.
Do you support project and batch supply?
Yes. We support sample orders, small batches, project shipments, spare units and repeat orders for HVAC and industrial ventilation projects.

Need Industrial Fans or HVAC OEM Solutions?

Send your airflow, pressure, motor specs or fan model. Request model selection support and a written export quotation.

Talk to Our Team

Get in touch with our multilingual team. We respond fast.

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