GD4 Test Services, Inc. specializes in electronic component testing and validation for authenticity. Through years of device testing, many of our customers have been saved from using or re-distributing known defects, remarked devices or even devices packaged without a die!   While services are focused on device testing and validation, there is also an array of additional back-end services available. Visit www.gd4Test.com for more information.   The GD4 Test Services team has a cumulative 50+ years of experience validating electronic components from ground up design to the final test. Our extensive expertise translates to a thorough understanding of a wide array of device types. Call us at (512) 535-1677 for a free quote.