China National Building Material Soars Nearly 20% On PCB Asset Valuation Reassessment

China National Building Material (3323.HK) soared 20% during regular trading to HKD6.480, with turnover reaching HKD1.93 billion.

Market attention centers on the company's PCB concept assets: equity stakes in premium new materials firms China Composites Technology, Zhongfu Shenying, and others carry combined valuations exceeding HKD153.6 billion. Related A-share counterparts hit limit-up today.

Citigroup notes demand for AI server PCBs is shifting from volume growth to material upgrades, with supply constraints at upstream electronic cloth producers offering greater price elasticity. China Composites Technology products have passed certification with leading domestic and international customers and achieved mass supply.

The National Development and Reform Commission's push for energy conservation and carbon reduction policies also lifted sentiment across the building materials sector, with cement stocks broadly advancing.