RiKO is the leading manufacturer of sensors for sensing technology. Founded in 1989, LAIJEN OPTO-ELECTRONICS TECHNOLOGY CO., LTD. is a professional fiber Optics Sensor / Photo Sensor / Proximity Sensor/ Capacity sensor manufacturer in Taiwan. We has been committed to offering the highest quality and best products solving our customers' needs for industrial automation from the beginning. Through aggressive R&D and introduction of new products, we have become a leading manufacturer for the global market. Our brand, RiKO ® has had an excellent reputation of developing and supplying reliable products around the world. Customers also benefit from our wide range of services.