Our company established a research and development department, we have professional engineers with much experience to research and designthe products as to our customers' special demand. At present, we have researched somenew top technologywhich can not be found in the market, such as business card switch, old-man mobile.You just need to put your personal information into the switch, then you can convert it mutually, instead of switching business card face-to-face. So, if you have any special project, pls feel free to contactus,our research and development department will research and raise our program for you, discuss together and finish it successfully