In April 2001, Letex was established in Taichung, specializing in the development and production of photoelectric relays, optical couplers and related photoelectric products. In order to meet the various needs of different customers, Letex has successfully produced good quality and high-tech products after years of strict control in the development process, and has a proud production capacity. Letex has many years of experience in the development of optoelectronic components, providing customers with a variety of product specifications, and passed ISO9001 in August 2018: 2015 Quality management system certification, products comply with RoHS, REACH and UL safety certification, with innovative development, rapid and flexible delivery, excellent quality service, multiple integration to enhance competitiveness, we hope to become one of the preferred suppliers of customers.