2004 ─ “Yang Yi Technology Co., Ltd.” established
2005 ─ K Series, A2 controlling system & software
2006 ─ YM-A01 Auto measuring and sorting system, the first auto inspection controlling system custom-made.
2008 ─ YM-D01 Thickness tester
2009 ─ Cooperating with UL developed Blast Resistant High Low Temp Material Testing Machine for Lithium Battery.
2010 ─ YM-T32 Universal Torsion Testing Machine
2012 ─ Cooperating with UL, research for environment testing machine controlling technique.
2013 ─ YM-H31 1kN Universal Material Testing Machine
2014 ─ Tensile and Torsion testing machine
2015 ─ YM-V01 Automatic Optical Image Measurement System ; Italy Affri Hardness Tester agent
2017 ─YM-H3501 adorable Universal Material Testing Machine.
