China has completed its first high-precision roundness reference device, filling a domestic gap in roundness measurement traceability and bringing its technical capability into the international advanced tier. The device will provide high-reliability, high-precision traceability support for aerospace, high-end machine tools, advanced optics and semiconductor manufacturing, strengthen the national geometric metrology system, and is expected to inject fresh momentum into technological development

Oil prices fell after OPEC+ decided to raise supply. After an online meeting on Sunday the group said it would add about 188,000 bpd in August, the fifth consecutive monthly increase. ANZ research said even if the Strait of Hormuz reopens, member states may struggle to utilise the additional capacity because vessels still face risks. Analysts noted several ships attempting the Oman route through the strait over the weekend were observed turning back.

美國6月標普全球服務業PMI終值 51.2，前值51.3。