CARLSBAD, CA / ACCESSWIRE / May 29, 2020 / OPTEC International, Inc., (OTC PINK:OPTI) today announced the company has signed an exclusive distribution agreement for a new line of Far UVC LED ...
CARLSBAD, Calif., Jan. 2, 2019 /PRNewswire/ -- OPTEC International, Inc., (OTCQB: OPTI) today announced the company signed the exclusive North American distribution rights agreement for the "Pro-Sun" ...