Nantong OND Testequipments Co., Ltd.& Nantong OND Electrical and Mechanical Technology Co., Ltd. was established in 2001, is the first digital ultrasonic flaw detector manufacturer, specializing in digital ultrasonic flaw detector, digital ultrasonic thickness gauge, digital eddy current flaw detector R & D, manufacturing and marketing of hightech enterprises, the new OND&CT Series handheld color digital ultrasonic flaw detector in 2009, received scientific and technological progress in Nantong City second prize, the same year private high-tech enterprises in Jiangsu Province honors outstanding; 2010 in Jiangsu Province high-tech innovation fund to support the upcoming launch of new products, "Europe can achieve rapid OND&CT Series portable electromagnetic acoustic