1975 NSH Medical Group is established in Taipei, Taiwan.
1989 SIGMA medical supplies corp. was merged by NSH Group from a Japanese management company. The main production is I.V. Infusion Set.
1990 SIGMA is developed another main production of Sterilization. Packaging Products for Hospital and medical industry.
2000 Suzhou SIGMA established in Suzhou, China, specialized in manufacturing of Packaging products for Sterilization in accordance with class 100,000 workshop.
2005 Suzhou SIGMA moved to new factory, capacity rise to 15 million sq. meter per year.
2006 Suzhou SIGMA is awarded of ISO9001:2000 Certificate.
2007 Suzhou SIGMA owned Hygienic Permit for sterilization product (CNHI) and CE approved.
2010 Suzhou SIGMA is awarded of ISO13485:2003 Certificate.
2010 Suzhou SIGMA moved to new plant, area expand 5000 sq. meter.
2011 Suzhou SIGMA is awarded of China MOH certification and FDA510K.