
Dynamic Balanced Professional 4pd Side Channel Air Blower for Large-Scale Industrial Ventilation. High Pressure Performance: Delivers up to 530 mbar pressure for large-scale industrial ventilation needs. Multi-Certification Compliance: Certified with RoHS, ISO, CE, and CCC standards for global safety. Durable Aluminum Construction: Made from high-quality aluminum material for long-lasting industrial use. High Production Capacity: Daily output of 300 sets with monthly capacity of 8,000 sets. Fast Sample Preparation: Normal samples prepared within 5 to 7 days for quality testing. Sample Cost Refundable: Sample cost is refundable when the first order quantity reaches 100 sets. Flexible Payment Terms: Accepts 30% deposit with 70% balance, or 100% T/T and LC at sight. Direct Manufacturer Source: Factory located in Jiangsu Nantong with offices in Dongguan and Shanghai.