Промышленность вентилятор птицы / парниковых / живешь

1. The outline border adopt advanced automatic process, more accuracy, material adopt zinc coat and zinc plate 2. The aluminum metal alloy of the high strength hub, adopt aviation aluminum magnesium metal alloy, light weight, high strength, good tensile3.Strap adjust automatically, no need manual adjustment during lifetime4. Shutter adopt special push-pull, open- close device, ensure shutter totally open and close, windproof, rainproof and dustproof5. Newly punch forming fan blade, reasonable angel and reach the max. air flow, mini. Noise6. Double bracing (E style) belt transporter, Europe industry motor standard7. Safety net easily tear down8.strictly quality test process: noise test, vibration test, concentric performance test, fan blade turning speed test, input air test and vehicle efficiency test9. Special motor hole wind shield, avoid wind losing to reach the best wind suck effect