When the cooling fan of choose and buy must know the following information
1. Fan bearing form, is a ball or oil.
2. Identifying of fan is or communication.
3. If the noise of the fan.
4. Fan power supply voltage value, such as ac 220 v, 110 v, 380 v, 5 v, 12 v and 24 v, 36 v, 48 v.
5. Fan air volume, air pressure, rotating speed. How many cubic meters per minute, for example, or how many feet per minute.
6. The size of the fan.
wenling chi automotive air conditioning manufacturing co. , LTD. , specializing in the production of cooling fans, can provide customers with professional guidance