ＣＦ＝Ｃｈａｎｇ　Ｆｅｎｇ的油封ＤＦ：

http://www.martech.com.cn/xiazai.htm

http://cmupload.coolermaster-usa.com/certificates/CE%20DoC%20for%20DC%20FAN/Chang%20Feng/(SAF-S82-E1-GP)%20CE%20Report_201007001%20001.pdf