Protechnic electric (wu jiang) Co., Ltd. is the professional DC fan manufactory of Taiwan bland. She was established in 2001. Registered capital is USD: 4, 010, 000. Our company area is 26, 000 square meters, floor space is 18, 000 square meters. The products are: Axial fan, centrifugal fan, atomic fan, blower fan & fan tray. There are two factories for the atomic DC fan of bland 'protechnic'. The staff is more than 2, 000 people. More than 100 people in r&d department.

We have completed specifications. The size is from 25*25*10mm to 300*300*180mm, the voltage is from 5v to 75v, DC fan may support the rd or fg signal, control speed by voltage or pwm way.

Compared with our competitors, our cooling fan can be used in more strict condition. 110c~-40c temperature can be accepted. For outdoor project, we have IP54, IP55 and IP68 protection.