Tokai Shinei Electronics Industry Co., Ltd was established in 1969. The company's business activities include the design, manufacture, and sales of various types of Printed Wiring Boards (PWB), including Double-Sided PWB, Multilayer PWB, and ZOPWB (Zero Overlap PWB). Additionally, the company also offers a new manufacturing method for Printed Wiring Boards called PIERD Metal mask, as well as sales of mounted jigs.