No matter who is learning step by step, we now have active rfid system, but the first time we are in contact, so we should start from scratch to learn slowly, but some of my colleagues do not have to learn to feel active rfid system, but I think we should better grasp this active rfid. Because I learned many industries, including our industry, active rfid sports have become ubiquitous, although our company has not yet large-scale introduction, but now it seems also inevitably do the. If not now familiar with active rfid use, wait until after the full use of the words, too late.