DONGGUAN XINGDONG ELECTRONICS CO., LTD.
Add: NO.2, Dagao Hengfeng 2nd Road, Changping Town, Dongguan, Guangdong, China
Tel：+86-769-83660708
Fax：+86-769-83660718
Email：info@d-fan.com.cn
URL：http://www.szdosense.com/eng/
"Cooling Fan Manufacturer" of life by: motor life, environment, power supply and other factors formed.
Generally speaking, "Cooling Fan Manufacturer" decision fan bearing life of 50,000 hours dual ball bearing, single ball 40,000 hours, various patented hydraulic, can be done "Cooling Fan Manufacturer" single ball of life, oil 10,000 hours.