2004：New sampling technique theory conceived: Multi-Voltage Threshold (MVT).
2005：MVT digital method invented.
2008：MVT digital detector invented.
2010：PETLab /RAYCAN completes world's first All-digital Animal PET.
2015：PETLab/RAYSOLUTION completes the world's first All-digital Clinical PET.
2017：All-digital Clinical PET/CT installed in the First Affiliated Hospital of Sun Yat-sen University and the Affiliated Cancer Hospital of Guangzhou.
2018：PETLab@ NEUROMED established.
2019：First All-digital Clinical PET was granted”Medical Device Registration Certificate”from CFDA.
2020：Plant PET, Helmet PET and Dual Dynamic PET have achieved phased progress.
