CI, often referred to as Circuit Industries Co., Ltd., was founded in 1990 and has a registered capital of 65 million baht. As one of Thailand's top manufacturers of printed circuit boards (PCBs) and printed wiring boards (PWBs), we specialize in PCB fabrication, producing high-quality single-sided, double-sided, plated through-hole, multilayer, and aluminum PCBs from prototype to large-scale production using cutting-edge machinery. For the process, only the best raw materials are chosen. In addition, all procedures are rigorously supervised and managed by experts in accordance with MIL-ST-105 E and IPC-A-600 requirements.

The company has obtained the following certification: UL FILE E-115789 for the safety of printed circuit boards (PCBs) from by upholding high standards and methodical cooperation.