92-310/136 mm CCW EC Backward Curve Centrifugal Fan with Extreme Speed

Certificate

Our products have obtained certifications such as CQC, CE, and UL. They are exported to countries all over the world, including Europe and the United States. We can also apply for additional certifications based on customer requirements.

Company Advantage

27 Years of Industry Expertise | Focused R&D and Manufacturing

· Hangda’s dedicated R&D team specializes in external rotor fans, with 1 invention patent and 11 utility model patents.

· Our fans are CQC, CE, UL certified, exported globally (Europe, America, etc.), and customizable for additional certifications.

· We offer tailored solutions for voltage, frequency, appearance, color, lead wires, and hole positions. Widely used in automation equipment for refrigeration, printing, medical, and commercial industries.

High-Precision Manufacturing | Reliable Quality

· Boasting a 30,000 m² modern production base with 11 specialized workshops (including laser cutting and motor workshops), we control all processes in-house for superior quality assurance.

· Equipped with high-precision machinery such as laser cutters, CNC machines, CNC punch presses, CNC grinders, CNC press brakes, automatic impregnation lines, and automatic plastic spraying lines, we maintain machining accuracy within 5μm.

· Our self-built 400KVA solar power system ensures uninterrupted production, with an annual capacity of 500,000 units to meet large-scale demand.

Strict Management & Quality Control

· Production strictly follows ISO9000:2015 and 6S workshop management, with environmental impact assessment approved by the Ministry of Ecology and Environment.

· In-house production of motor shafts ensures high slot fill rate, stable power output, and long service life. We conduct in-process inspection and 100% final testing.

· Equipped with withstanding voltage testers, computer balancing machines, and three-phase parameter analyzers, plus dedicated motor and fan test labs for rigorous quality inspection.

Comprehensive Service & Robust Support System

· Rapid Response: Solutions provided within 30 minutes, 1-year warranty included.

· Adequate Stock: 25,000 motors & 12,000 fans in stock, ready for shipment within 3 days.

· Reliable Logistics: Partnered with top logistics providers for door-to-door delivery.

FAQ

Q1. When can I get the quotation?

We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, please send the message on trade management or call us directly.

Q2. How can I get a sample to check your quality?

After price confirmed, you can requiry for samples to check quality.

If you need the samples, we will charge for the sample cost. But the sample cost can be refundable when your quantity of first order is above the MOQ

Q3. Can you do OEM for us?

Yes, the product packing can be designed as you want.

Q4. How about MOQ?

1 pcs for carton box.

Q5. What is your main market?

Eastern Europe, Southeast Asia, South America.