Matsuyama was set up in 1983. We are currently in focus on manufacturing a full range Switches and jacks. With more than 25 years' experience in the manufacturing field, and achievement in top quality. We have different kinds of high tech. equipments and testers to ensure our products have ultimate standard, such as, contact resistance test, withstand voltage test, insulation resistance test, operation force test. Now we have become the leading supplier in Japan, Korea, Thailand, China, United Kingdom, France and Germany, with long and stable business relations.