Reviews: Hello,this QC 2.0 or 3.0?

Allfei: Hello,it is QC 2.0. ( Sep 4, 2014 10:26 )

Reviews: Hello,how to get sample?

Allfei: Hello,sample is available for test,charge firstly and will refund after wholesale order. ( May 8, 2014 9:45 )

Reviews: Hello,please quote me 500pcs price

Allfei: Hello,500pcs quotation have email u,check pls. ( Mar 2, 2014 19:14 )