GREIN is a company founded in 1965 which sells electronic products for industrial applications. In 1970 GREIN opened a laboratory to enhance customer service and in 1978 began to design and manufacture opto-electronic devices for safe-guarding applications. In addition to safety light curtains GREIN produces a wide range of products that find applications in the same field. There are ribbon switches, edges, mats and bumpers that are used to protect the operators from dangerous machinery. GREIN has become a leading name in machine safeguarding in Italy and in all the industrialized countries of the world.