1990 Company and the brand YIFEI founded by Mr. Xiao-Ming Tian
Break the foreign technical barrier and take the lead in developing analog function generator 1995 Develop and manufacture EM65 series of oscilloscope
1997 Initiate EM1650 series of digital function generator
2002 initiate EM32000D/B series of DDS arbitrary wave function generator and intelligent digital AC voltmeter EM2181/EM2182
2003 was granted as Jiangsu Private Technology Enterprise and Quality Trustworthy Enterprise
2004 Was ISO9001 certified.
Develop and manufacture EM60series of CRT oscilloscope
2005 Cooperate with Twenty-third Research Institute of China Electronic Science and Technology Group Supporting the development and manufacture of laser pulse ignition device for Shenzhou spacecraft.
2006 Major products were CE certified.
Reached ODM cooperation agreement with BK USA
2008 Reached ODM cooperation agreement with Uni-trend
2011 Major products were ROHS certified
2013 Developed hi-power DC power supply to consolidate the power supply products series.
2015 Introduced the 4th generation EM32000A/B series of DDS arbitrary wave function generator
2016 Was renamed as Jiangsu JNDZ Technology Co., Ltd.
Xi'an Jiao Tong University, Changsha National Defense Technology University and Nanjing University have included our products in the teaching guide books. Tsinghua University has built demonstration laboratory with our four series of products including oscilloscope, function generator, DC power supply and etc.