1. Frame: Galvanized steel sheet, anti-corrosive and durable. Thickness: 1.0mm for the top and 0.8 for the other sides

2. Blade: 6 pieces of mirror finished stainless steel blades, attractive and durable with big air volume, passing the homeostasis test to ensure the air volume keeping the same as the very beginning during the operational life span, low noise, no distortion, no broken, Thickness: 1.2mm.

3. Motor: Siemens motor or Chinese motor, high efficient and energy-saving with CCC certificate. Protection class: IP55,Insulation class: F. The voltage, power, Hz and phase can be customized.

4. Shutter: Made of high strength hot-galvanized steel sheet, dustproof and waterproof.
Thickness: 0.45mm

5. Swung drop hammer:Made of high quality nylon, stable performance, guaranteeing the shutters open and close flexibly.

6. Protective net: Made of hard-drawn wire, designed as door-type, which is convenient for maintaining.

7. Belt impeller: Made of aluminium magnesium alloy by injection moulded, adopting more stiffening rib, processed by sandblasting, eliminating the internal stress, high intensity, low noise, long service life.

8. Belt Pulley: Made of aluminium-magnesium alloy by injection moulded, reducing the weight of blade and impeller, high corrosion resistance. Blast-sanding treatment for attractive appearance, eliminating internal stress to improve its own rigidity and stability, high strength.

9. Belt tensioner: Made of high quality nylon or aluminium-magnesium alloy, avoiding belt loosening or dropping off, xtending service life and avoiding distortion, waterproof

10. Bearing: Imported double-row bearing, super mute, high intension and durable

11. Belt: China famous brand belt, Mistubishi belt

12. Strict test criterion: Consist of airflow test, nose test, libration test, drive concentric test, blade RPM test, whole machine efficiency test, dynamic balance test, the thickness of the galvanized sheet test, the size of the spare parts test, etc.

13. Guarantee period: One year. Easy broken parts are offered free of charge during this period

 Qingzhou Jinlong Temperature-controlled Equipment Co.,Ltd is a professional manufacturer of exhaust fan, evaporative cooling pad, light trap, air inlet and heater. We use good materials to produce high quality products .Our company have passed ISO9001 Quality certifcate .And our products passed CE certificate.

Welcome to contact us for coopertion.

Q: What voltages you can do , if you can make special voltages ?
A:  Normal standard is 380V for 3phase, 220V for singple.The voltage and herz can be customized as your requirement.For

example,400V,240V,60Hz.

Q: Hong long is the warranty?
A:  One year. Brokens parts can be provided free of charge during this period.We use good materials and motors,the fans are

hardly broken.

Q: What is the MOQ , can I order a sample for test?
A: MOQ is 10sets, it's for convienence to arrange products. If you need sample for test ,then order large quantity, 1 set

for sample is ok,too.

Q: Are you real manufacturer or ..?
A:Yes, we are 100% original manufactuer of exhaust fan.Our factory located at Qingzhou city,Shandong province.Welcome to

visit us.As a manufacturer, we have strict control of the material purchase and productions quality. Make sure the goods

delivery to you are unwounded and perfect.

Q: How can I pay?
A:  We accept T/T(Telegraphic transfer) and L/C(Sight letter of credit).30% deposit is needed for TT payment.Balance

against the copy of B/L(bill of lading).

Welcome to contact me for more exhaust fan's details