Our company is an American company in China. We produce special optical cable, armored optic cable and patch cord, temperature sensing optic cable and so on. We use the Corning fiber and Dupont Kevlar. To protect the fiber not to be damaged we have stainless steel spiral tube out of the fiber. Most products have been brought to FTTH, military cabling, engineering, oil field laying, bridge construction, electric system and underground temperature sensing system.