1966,Suzhou No.3 Optical Instrument Factory was set up.
　　1968,Started to research Molybdenum wire cut machine with photoelectric tracing.
　　1969,Developed and produced GDX-I Molybdenum wire cut machine with photoelectric tracing.
　　1974,Developed and produced SSX-I and SSX-II Molybdenum wire cut machine.
　　1982,Developed and produced SSX-III Molybdenum wire cut mchine.
　　1984,DK7725d Molybdenum wire cut machine won National Silver Medal.
　　1989,The company entered into partnership with COSMOS International Machinery Co., Ltd.
　　　　 Hong Kong to set up a joint venture called Suzhou Sanguang Electric Machinery Co., Ltd.
　　1993,The company bought a land of 14000 square meters in Suzhou New District.
　　1994,Sodick Co., Ltd. Japan entered into partnership with the company so that the name of the
　　　　 company was changed into Suzhou Sodick-Sanguang Electric Machinery Co., Ltd.
　　1996, Te company researched and produced DK7632 Brass wire cut EDM.
　　2003,Suzhou Sanguang Group Company was reformed and the company was renamed
　　　　 as Suzhou Science & Technology Co., Ltd.