SIUI

{{COI|date=July 2013}}

{{Infobox company

| name = SIUI

|logo=

| type = Limited

| foundation = Shantou, China (1978)

| location = Shantou, China

| key_people = Li Delai, President

| industry = Medical Devices/NDT instruments/Medical and NDT probes/Wedge

| products = ultrasound imaging systems, medical X-Ray imaging products, non-destructive testing instruments.

| caption =

| num_employees = 500-1000

|homepage= {{URL|1=http://www.siui.com/|2=SIUI.com}}

}}

Shantou Institute of Ultrasonic Instruments Co., Ltd (SIUI) is China's biggest manufacturing base {{cite web|url=http://www.newsmaker.com.au/news/14663.html|title=Advances to Ultramedix's ultrasound lineup for 2012=2012-02-04|publisher=Newsmaker.com.au|accessdate=2013-09-06|url-status=dead|archiveurl=https://archive.today/20130704031136/http://www.newsmaker.com.au/news/14663.html|archivedate=2013-07-04}} of ultrasound with longest history.{{cite web|url=http://www.ultramedix.com.au/about-us.html?start=1|title=About SIUI=2013-02-04|publisher=Ultramedix.com|accessdate=2013-09-06|archive-url=https://web.archive.org/web/20130427040418/http://www.ultramedix.com.au/about-us.html?start=1|archive-date=2013-04-27|url-status=dead}}

SIUI goes through a technology development of A-B-C-D-E. Each step has driven the industry progress in China. A: A mode

ultrasound equipment. B:B mode ultrasound imaging equipment. C:Color Doppler. In 1997, SIUI manufactured its first color Doppler system Apogee 800.D:Real-time 3D/4D ultrasound. In 2008, SIUI developed the real-time 3D/4D technology, and released a series of real-time 3D/ 4D color Doppler systems. E: Elastography.

SIUI develops and manufactures a variety of ultrasound imaging systems and accessories for both human and veterinary use, and NDT equipment including phased-array ultrasonic flaw detector,{{cite web|title=Ultrasonic Phased Array Inspection on PE Pipe Heat Fusion Joints and Electro-Fusion Joints|url=http://www.ndt.net/article/wcndt2012/papers/500_wcndtfinal00500.pdf|publisher=SIUIndt|accessdate=2013-09-06}} conventional flaw detector,{{cite web|title=Effects of Various Couplants on Carbon Steel and Aluminium Materials Using Ultrasonic Testing|url=http://www.ndt.net/article/wcndt2012/papers/363_Netshidavhini.pdf|publisher=SIUIndt|accessdate=2013-09-06}} thickness gauge, probes{{cite web|title=Monitor the circumferential welds of Multi-layer Thick-wall Pressure Vessels Serving at Elevated Temperature by Ultrasonic Testing|url=http://www.ndt.net/article/wcndt2008/papers/216.pdf|publisher=SIUIndt|accessdate=2013-09-06}} and accessories. The company is currently organized into three product category divisions: ultrasound imaging systems, medical X-Ray imaging products, and non-destructive testing instruments. SIUI has been certified by ISO9001 Certification, European CE Marking and the U.S. Food and Drug Administration (FDA).

In addition to its facilities in and around Shantou, SIUI maintains more 20 offices around China and around the world.

The Ultrasound Imaging Systems division develops and manufactures a complex medical ultrasound imaging solution including B/W, color Doppler, volume 4D imaging & veterinary ultrasound products.{{cite web|url=http://marketresearch.ulitzer.com/node/2683539|title=Chinese Pharmaceutical Market 2013-2023|publisher=Marketresearch.ulitzer.com|accessdate=2013-09-06}}

The Non Destructive Testing Products division provides phased-array ultrasonic flaw detector, conventional flaw detector, thickness gauge, probes and accessories serving in machinery, metallurgy, railway, shipbuilding, aircraft and building. SIUI is the member of the following professional societies: American Society for Nondestructive Testing, The Chinese Society of NDT,[http://www.chsndt.org/www/en/index.htm ]{{dead link|date=September 2013}} JSNDI{{cite web|url=http://www.jsndi.jp/e/index.html |title=JSNDI |publisher=Jsndi.jp |date= |accessdate=2013-09-06}} and British Institute of Non-Destructive Testing.