MEC Company Ltd. (TYO: 4971) is a Japan-based firm specializing in the manufacturing and marketing of chemicals and equipment used in the production of printed circuit boards (PCBs). Founded in 1969 and headquartered in Hyogo, Japan, MEC is a leading supplier of high-performance chemical solutions that enhance the adhesion of copper surfaces to improve the reliability and performance of PCBs, widely used in industries like electronics, automotive, and telecommunications. The company operates globally, with subsidiaries and facilities in key markets such as China, providing essential products for advanced PCB production.

MEC operates globally, with subsidiaries in Taiwan, Hong Kong, Suzhou, Thailand, and Europe, highlighting its strong international presence. The company's focus on innovation and sustainability has positioned it as a leader in surface treatment technologies for electronic materials.