1.Over 10 years experience instrument manufacturing.2.OEM&ODM is available.3.BSCI,ISO9001,CE,ROHS,FCC certificated4.24 hours online service5.Full quality control service6.Main market to North America,south America, Europe, Russia etc. 35 countries. 7.7.1 Year Warranty Period for After-Sale .8.professional research and development team, with 7-8 new products every year.