1. stainless steel blade 2. with CE certificate 3. auto open and close 4. B type belt long life
1.The frame adopt advanced automatic process, more
accuracy, material adopt zinc coat and zinc plate, stainless steel also ok.
2. Switchgear automatically windproof, rainproof and dustproof
using heavy punch
3. Double bracing (E style) belt transporter, high performance380V,tri-proof motor. More safe and efficient.
4. Strictly quality teat process: noise test, vibration test, concen-tric performance test, fan blade turning speed test, input air tes and vehicle efficiency test.
5. Very good after service, low price, but good quality.
advanced exhaust fan
