Shenzhen Topfan Technology Development Co., Ltd.
Shenzhen Topfan Technology Development Co., Ltd. We just do the best cooling fan!
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225mm X 80mm water electrical cooling exhaust fans ac motor small fan
| Bearing Type | Ball bearing |
| Function | IP55 IP58 IP66 IP68 waterproof and dustproof |
| Frame and Impeller | metal and plastic |
| Operating Voltage | 110V 120V 220V 240V |
| Temperature range | –20℃ to +70℃ |
| Leadwire | Red Wire Positive(+),Black Wire Negative(-) |
Shenzhen Topfan - China Development Technology Co . , Ltd , founded in 1996 in Shenzhen China , is aprofessional manufacturer on dc brushless fans and ac fans . Products are CE , RoHS certificated and good sellers both at home and abroad , including Europe , North America , Asia ( Korea and India ) etc .
Question & answer:
- 1 . What kind of cooling fans are supplied by your company?
A nswer: we can provide DC cooling fan, AC cooling fan, EC cooling fan blower fan and cross flow fan.
- 2 . What kind of information should be provided by the customer before order?
Answer : please kindly advise Size, Rated voltage, Bearing type, Speed or air flow,Lead wires and specific function.
- 3 . How many kind of bearings for cooling fans are there in your compnay at present?
Answer : now we have two types bearing for the fan, sleeve bearing and ball bearing.
- 4 . How to detect the data of cooling fan in your company?
Answer: the speed and voltage are detected by the tachometer, air flow is found by wind tunnel we have a complete set of professional testing equipment.
- 5 . How to control the quality of products in your company.
Answer: 100% total testing before each fan dispatched,and Each completed a small part is also tested
| 1. If you want another rpm or voltage or special functionm Please contact with us directly . |
| 2. The size , voltage, power & speed can be made according to your requirements ! |
| 3. Could be made with waterproof function |
| 4. We're professional manufacturer of cooling fans for 11 years' experience |
| 5. On time delivery |
| 6. We offer 30000 hours warranty for sleeve bearing fans , 50000 hours warranty for ball bearing fans |
| 7. We can also provide fans with longer use time. |
Shipment
Any more information , please feel free to contact Mona
Skype : Mona Yang
QQ : 3146648329
Tel : 86 755 26070992
We will reply you within 2 hours. Thanks