E.S.Q. is a manufacturer of custom made high-precision metal tubes located in Fukushima, Japan. We have a long-standing experience in supplying precision metal tubes made of a wide variety of metals, including Tantalum, Ni-Ti, Mg alloys, and others. Our production ranges are: ODφ0.2 to φ20mm, Thickness 0.015mm and up, and Length 1.0mm to 2,000m and over (in coil). Our high-precision metal tubes are used not only for endoscopes, catheters, and stents in the medical field, but also for other industries such as automotive, electronics, and aerospace.