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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://hsfangchan.com/eng/
Good "Inflatable Air Blower" in addition to ventilation volume, high pressure outside, reliability is very important bearing in the form of a fan used in this very important quality. Always use high speed ball bearing fan (Ball bearing) and low-speed fan using low-cost oil-bearing (Sleeve bearing). Oil-bearing fan with only one bearing; and ball "Inflatable Air Blower" requires two bearings, single ball bearing, is "1 Ball + 1 Sleeve", oil-bearing components still have. More advanced than the single ball is a double ball bearing, namely Two Balls. Oil-bearing "Inflatable Air Blower" general life of 10,000 hours to 30,000 hours of single ball bearing, double ball for more than 50,000 hours (at ambient temperature was set at 25 ℃ below).
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