Quality Assurance Excellence
At SXDOOL, we don't just manufacture fans; we engineer reliability. Every unit undergoes a rigorous 4-phase inspection process to ensure peak performance in the most demanding industrial environments.
IQC: Incoming Quality Control
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Premium Industrial Bearings
Utilizing genuine NMB/NSK dual-ball bearings for 70,000+ hours of MTBF.
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UL94V-0 PBT Materials
All plastic frames and impellers are certified flame-retardant and heat-resistant.
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OFC Copper Windings
100% Oxygen-Free Copper ensures high efficiency and low heat generation.
IPQC: Precision Manufacturing
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Dynamic Balancing Test
Dual-plane balancing technology to eliminate vibration and mechanical noise.
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Automated Winding
Precision computerized winding ensures consistent electrical parameters across batches.
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ESD-Safe Assembly
Controlled environments to protect sensitive PWM and FG sensor circuits.
OQC: 100% Final Validation
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Performance Testing
Every single fan is verified for RPM, Airflow, and Static Pressure accuracy.
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High-Pot & Safety Test
Dielectric voltage-withstand testing to ensure absolute electrical safety.
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Burn-in Procedure
Randomized 48-72 hour stress testing to eliminate infant mortality failures.