• LED Japan 2018 welcome to HPL booth
    Oct 17-19 , 2018
    LED Japan 2018 welcome to HPL booth
  • The SPIE Photonics West 2018 Exhibition
    Nov 28 , 2017
    The SPIE Photonics West 2018 Exhibition
  • BioOpto Japan 2017 welcome to HPL booth
    Aug 21 , 2017
    BioOpto Japan 2017 welcome to HPL booth
  • OPIE 2017 welcome to HPL booth
    Mar 22 , 2017
    OPIE 2017 welcome to HPL booth
  • RadTech UV+EB 2016 (二)
    May 19 , 2016
    RadTech UV+EB 2016 (二)