Suzhou Dongshan Precision Manufacturing. a printed circuit board maker, dropped 7.8% in Hong Kong grey market trading.

Dongshan, which makes the components that are the intricate electronic backbone of AI servers, is braving the market at a tricky time across Asia especially for companies in its business.

The Suzhou-based company makes PCBs and optical transceivers, key components for AI. It’s the third-largest PCB supplier in an $85.2 billion global market, according to its prospectus.