COMPANY / profile

Letex Technology Corp. was founded in April 2001 at  Taichung Hsien, Taiwan, to engage in the production of Photo DMOS-FET Relays, Photocouplers and other relevant products in Photo. Through its strict and scrutinize research and development many years, Letex successfully produce good quality, high tech and tremendous output capability in order to cater for various necessaries from different clients.
Because of continuous improvement and size getting smaller in electronic devices, computer system & peripheral, we very emphasis to make unique and small size in relevant Photo product especially Photo DMOS-FET Relays and Photocoupler. As far as we know, Photo DMOS-FET Relays and Photocoupler are key components for variety applications in that regulating the electrical current, quality and safety are of extreme importance. Therefore, each product as we own has to get each approval from UL to ensure against our quality. Till now, Our Photo DMOS Relays and Photocoupler are approved by UL with UL No. E222222. In addition, Letex's management system in production has been approved by ISO9001:2008 on Aug. 1st, 2009.
Letex Technology has a professional photovoltaic component R&D technical team to provide customers with a full range of product specifications. We have obtained ISO9001:2015 certification in August 2018. Our products are RoHS and REACH compliant and have passed UL safety certification. The best primary supplier of customers. Give customers the best products and services with innovative R&D, rapid and flexible delivery, quality service and multi-integration core competitiveness
The customer base covers all over the world, and has many long-term cooperation customers in Taiwan, Japan, China, Southeast Asia, America, Europe and other places. The products are widely used in industrial control market, 3C industry, lighting market, vehicle market and other fields. .
In future, Letex will accomplish more breakthroughs such as getting perfect in IQC, technological innovation, production automation, management computerization and enhancing our service network in markets ... etc. Of course, Letex will keep its learning attitude to obtain precious comments from everywhere.

Business philosophy and development vision:
● Business philosophy
The company will continue to innovate to meet the diverse market needs of "integrity, service, quality, efficiency" business philosophy, and maintain a pragmatic attitude to maintain mutual trust and reciprocity relationship with customers and manufacturers, based on quality, technology and professional knowledge, Work together and grow together to achieve the goal of sustainable management.
● Company development prospects
1. Market demand in response to diversification:
     Short-term goal: Establish process standardization operations.
     Long-term goal: consistent work (materials, technology, equipment, investment) for the process.
2. Develop new markets.
3. Develop your own key materials as a goal.
4. Improve environmental awareness: Continuously improve process yield and process, and achieve energy conservation and environmental protection.


About us:



Established on:

25, Sec. 3, Xibin Road, Longjing Dist., Taichung City, Taiwan



Plant founded:In April 2001

Total area of plant: 871.53 sq. mt.


Number of workforce:30 people

Main products:

In Photo DMOS-FET Relays The major purpose is to proceed miniature SOP Photo DMOS-FET Relays.
In Photo Coupler The major purpose is to proceed minaiture SOP Photo Couplers.
In Photo Interrupter The major purpose is to proceed various Photo Interrupters.
In Magnetic Contacts The major purpose is to proceed security Magnetic Contacts.
In Reed switch The Sales of general-purpose Reed switch.

ISO9001:2015 This approval has been completed on Aug. 2018.

Approved:UL No. E222222