China Circuits (CCTC) is the largest Chinese owed PCB factory in China. Established in 1985, CCTC specializes in the manufacturing of high precision, high density and high reliability PCBs. The highest layer count in high volume production is 26 layers. They have been awarded OSO9002, QS9000 and ISO14001 certifications. Their current manufacturing capacity is approximately 750K sq/ft per month and have been listed on the Shenzen Stock market since 1997.

CCTC is also unique in that they have a single sided PCB division and a prototype division.