Yamashita Materials Corporation currently has a consistent production system of design, production of printed wiring board, mounting of electron element / electronic device and assembly of electronic equipment in addition to the production of printed wiring board. Yamashita responds to speedy trial production and mass production by this consistent production system's original general management system. Yamashita Materials Corporation. wants to meet every need of customer by management system based on ISO 9001 and ISO 14001 and total technology that integrates four processes.