Company Description Beijing Guodian NDT Co., Ltd., a high-tech company affiliated to Guodian Science & Technology Research Institute (GSTRI), is a leading supplier of non-destructive testing equipments. Using our proprietary and patented technology, we develop, manufacture and sell industrial endoscope, low-frequency magnetic flaw detector, stainless steel Oxide skin detector, digital X-ray unit, film scanner, LED inspection products, such as flashlight DVR/camera and guard tour system. Ta