Printed circuit boards (PCBs) – unsung core components in all electronic devices – are emerging as the latest source of excitement in China’s chip supply chain, as domestic companies capitalise on surging global demand for artificial intelligence infrastructure to pursue share listings.Victory Giant Technology, a PCB supplier to US chip champion Nvidia, kicked off bookbuilding in Hong Kong on Monday for an initial public offering (IPO) that aims to raise up to HK$17.49 billion (US$2.2...