2020-2021

• Successfully developed a multifunctional composite material bonding tester
• Successfully developed a portable high-pressure natural gas storage well ultrasonic testing system
•Become the strategic partner of the national first-class skill competition "Ingenuity Cup" equipment maintenance professional skills competition, our instrument is the designated equipment for the competition
• Became the strategic partner of the 15th National Engineering Construction System Vocational Skills Competition, and our instrument designated the equipment for the competition

2018-2019

• Successfully developed guided wave detection instrument
• Successfully developed a water immersion C-scanning inspection system for aerospace magnesium-aluminum alloy plates
•Become the strategic partner of the 14th National Engineering Construction System Vocational Skills Competition, our instrument is the designated equipment for the competition

2017

• Successfully developed the high-frequency ultrasonic flaw detector PXUT-T6, breaking through the bottleneck of ultrasonic testing for thin plate flaw detection
• Successfully developed platform ultrasonic phased array technology and equipment
• Recognized as a national high-tech enterprise again

2016

• Awarded the title of "National Intellectual Property Advantage Enterprise" by the State Intellectual Property Office
•Jointly built a postgraduate workstation with Southeast University, and passed the certification of "Jiangsu Province Postgraduate Workstation"
• Undertake the "Key Technology Research and Instrument Development of Ultrasonic Nondestructive Testing and Micro-destructive Testing of Metal Materials" in the NQI key special project of the National Key R&D Program

2014～2015

•The third generation TOFD detector PXUT-920 was successfully developed
• Developed technical cooperation with COMAC, and successfully developed C919 large aircraft alloy sheet ultrasonic automatic inspection system
• Successfully developed flat-plate ultrasonic phased array detector PXUT-960
•Identified by Jiangsu Province as "Key Software Enterprises in the Planning and Layout of Jiangsu Province"

2013

•High-pressure natural gas storage well detection system was recognized as a high-tech product in Jiangsu Province
•NDC-4 Rail Weld Ultrasonic Imaging Detector won the second prize of Nantong Science and Technology Progress Award
•High pressure natural gas storage well detection system was rated as a major equipment product in Nantong City
• Participated in the preparation of the industry standard "Technical Conditions for Digital Ultrasonic Detectors for Nondestructive Testing Instruments" GB/T11610-2013

2012

• Completed Jiangsu Provincial Nondestructive Testing Equipment Engineering Technology Research Center
•Awarded as Jiangsu Province Enterprise Intellectual Property Management Standardization Demonstration and Innovation Advanced Unit
• Participated in the preparation of the national standard "Performance and Testing of Phased Array Ultrasonic Testing Systems for Nondestructive Testing Instruments" GB/T29302-2012

2011

•NDC-4 Rail Weld Ultrasonic Imaging Detector was recognized as a high-tech product in Jiangsu Province
• Obtained the certificate of adopting international standard product mark, the company's products all adopt the European standard EN12668 for R&D, manufacturing and testing
• Awarded as Jiangsu Province Intellectual Property Management Standardization Demonstration Unit

2010

•NDC-3 railway freight axle ultrasonic flaw detection system was recognized as a high-tech product in Jiangsu Province
• Pocket Ultrasonic Flaw Detector was rated as National Key New Product
• The second generation TOFD detector PXUT-910 was successfully developed

2009

•Youlian Science and Technology Park with a construction area of more than 20,000 square meters was completed
• Obtained the CE certificate issued by the European Union

2008

• Launched the handheld ultrasonic flaw detector, weighing only 250g, which was recognized as a national high-tech product
•The first domestic TOFD detector PXUT-900 with a depth of 4096 sampling points was awarded as a high-tech product in Jiangsu Province
•Identified as a national high-tech enterprise and software enterprise

2007

•Digital multi-channel ultrasonic flaw detection system was rated as a national key new product
•Won the Technology Innovation Fund of the Ministry of Science and Technology for Small and Medium-sized Enterprises
•Identified as a high-tech enterprise in Jiangsu Province

2006

•The product has obtained the product quality approval certificate of the Ministry of Railways
•Awarded as Nantong Industry-University-Research Demonstration Enterprise

2004

• Undertake the national "863" major scientific research project - crawler in submarine pipeline and its detection system, and is an ultrasonic testing technology enterprise participating in this project
• The fool-type notebook-type all-digital intelligent ultrasonic flaw detector was rated as a national key new product and won the second prize of Nantong Science and Technology Progress Award

2002

• Successfully developed digital-analog dual-purpose ultrasonic flaw detector PXUT-3300
• Passed ISO9000 quality system certification

2000

• Successfully developed color display digital ultrasonic flaw detector PXUT-666

1998

• Successfully developed the notebook-type digital ultrasonic flaw detector PXUT-240, breaking the product monopoly of GE and Olympus

1996

• PXUT-22 was successfully launched and became the main model of domestic digital ultrasonic flaw detector

1994

• Invited to attend the 7th Asia Pacific Conference on Nondestructive Testing (APCNDT), PXUT-21 aroused strong response from the participants

1993

•Foundation of Nantong Youlian Company
• Successfully developed the all-digital intelligent ultrasonic flaw detector PXUT-21, creating a digital era of ultrasonic flaw detectors in China