Beijing tightening solar exports plus Trump quartz card signals China-US trade escalation.
Context
What happened: China's Ministry of Commerce added 12 solar-related technologies and core equipment to its export-control list, citing national security concerns, as part of a broader revision covering 40 technologies.
Key numbers: 12 solar-related technologies and core equipment added; broader revision covers 40 technologies.
Why it matters: BloombergNEF analysts say the controls could complicate global solar supply chain diversification, since US and India manufacturers still depend on China for some critical materials, equipment, and technologies.