川島製作所 Company Profile

In-house integrated production of design, machining, plating, various types of joining, and assembly. We propose total quality for mechanical components!

Kawashima Manufacturing Co., Ltd. provides precision components for various fields, including the automotive industry, optical communication, high-frequency devices, satellite and space development, and medical applications. With a production base of over 250 machines, including lathes, machining centers, presses, and wire electrical discharge machines, we carry out integrated in-house production of various semi-assemblies, such as glass hermetic seals, optical fiber assemblies, soldering, and brazing, utilizing our own plating. We respond to various design and development needs through quality control based on composite technologies. Please feel free to contact us with your requests. *We also accept contract production of individual machined parts. <Main Products> - Precision micro parts such as CNC lathes, machining centers, wire electrical discharge machines, and presses - Various glass hermetics (SUS, Kovar, iron, etc.) - Various optical communication fiber assemblies and feedthrough fiber arrays - Millimeter-wave coaxial connectors and ultra-low temperature superconducting fine coaxial connectors - Millimeter-wave to terahertz band (sub-millimeter wave band) waveguides, cavity resonators, and other high-frequency transmission components, etc.