Kuyambira mu 1947, ISA International Sign Expo yakhala ikuchitika chaka chilichonse ku America mu Marichi kapena Epulo, malo osiyanasiyana pakati pa Orlando ndi Las Vegas. ISA Sign Expo, yomwe ndi chiwonetsero chachikulu kwambiri cha zizindikiro, zithunzi, zosindikiza ndi zolumikizirana, imakopa akatswiri ambiri padziko lonse lapansi chaka chilichonse. Mu ISA Sign Expo, mudzawona makina ambiri apamwamba opangira ndi kusindikiza zizindikiro.
ISA Sign Expo 2019 idzachitika kuyambira pa 23 Epulo mpaka 26 Epulo, 2019 ku Mandalay Bay Convention Center ku Las Vegas, Nevada.
Makina osindikizira a UV akutchuka kwambiri m'makampani osindikizira, makamaka akuluakulu. Pofuna kupewa kuti UV LED mkati mwa makina osindikizira a UV isatenthe kwambiri, makina oziziritsira madzi a S&A Teyu industrial water chiller angapereke kuziziritsa kogwira mtima kwa UV LED.
Makina Oziziritsira Madzi a S&A Teyu Industrial Water Chiller Oziziritsira UV LED Light Source
