DJ Optical dedicates to the field of fiber optic industry with innovation technology and excellence service. We have been focusing and will continue the development of armored fiber optic related products. We are also distributors for many peripheral manufacturers in order to provide a total solution to our customers. Our armored fiber optic solutions are widely used in telecommunication, data storage office, Infrastructure cabling, broadcast, defense/government industries. Many contractors and integrators also apply our products to a broad range of applications such as: civil engineering, electric power system, underground transportation and temperature sensing. Our metal tubes can be customized to fit your needs. Our engineers can answer your technical and installation questions.