Commercial treadmill machines from QLK Fitness differ from home models in durability and functionality. Commercial units (e.g., QLK-Pro 9000) feature 4.0CHP motors (24/7 operation), steel frames (500+ lbs capacity), and anti-static belts (10,000+ hours lifespan). Home models (QLK-Fit series) offer 2.5CHP motors, compact designs, and basic smart features. Commercial treadmills include dual cooling fans, heavy-duty rollers, and commercial-grade shock systems, while home models prioritize quiet operation and space-saving designs. Both types share safety features, but commercial models have stricter certifications (ISO 20957) for gym use.
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