Introducing Derstrong''s safety vision window for machine toolsprovide not only safety shield but also clear vision for theoperator during machining process. Safety vision window make itpossible to view what is going on behind the locked door and windowon the machine enclosure. All products are conformity with CEcertificated EN ISO 23125 and EN 12417 by TUV certificated. We willsincerely invite you to visit our website"www.derstrong.com.tw".