... Since we always have stock for regular items.4,Telecom grade quality, it is like original one.5,Good price ... , it is only 10-20% of original price.Re: What is the hot item in 2008,2009,2010 ... it has good demand around the world.2,Good profit for my customer, our price is very lowest than original SFP ... R&D new items in 2010, develop more agent for this item. 5, We are under economy crisis, ...