12038 Antminer S9 Cooling Fan Ventilation Equipment DC Fan

Q: What kind of cooling fans or centrifugal fans are supplied by your company?

_{A: we can provide DC/AC/EC cooling fan and blower fan.}


Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer 1~4pcs free sample for free charge but do not pay the cost of freight.
 
Q: What is your terms of payment ?

A: 100% in advance for sample order, 30% in advance and 70% before dispatch for mass order by T/T,Western Union or Paypal.

Q: What can we do for you?

A:Best quality cooling fans produced by ourselves, best service by our sales and engineers .  And we have own engineer can design and do the fans customized.

Q: What kind of information should be provided by the customer before order?

1. Fan dimension
2. Rated voltage, such as 5V/12V/24V
3. Speed (high, middle ,low)
4. Sleeve bearing or ball bearing
5. Leading wire length?(Our default length is 200mm)
6. Two wire leading(black and red wire) or three/four wire leading?
7.Connector: with connector or not? If yes,please show a picture .