KEY POINTS
  • Last week, more than 20 provinces and other regions told businesses not to resume work before Feb. 10 at the earliest.
  • Some provinces and districts have now told companies not to resume work till March 1, according to officials.
  • "That ... is a major blast to the global value chain, not only for China, but the world," said Alicia Garcia Herrero, chief economist for Asia Pacific at Natixis.
Chinese workers assemble electronic components at the Taiwanese technology giant Foxconn's factory in Shenzhen, China.

Uncertainty about work resuming at factories in China is setting in, with provinces or cities posting different dates for an extended shutdown as the coronavirus outbreak continues to spread.

Authorities had initially said operations could pick up again on Monday, but the already-extended delay in reopening could be dragged out even further for many factories — including Apple's largest manufacturer Foxconn.