More than 10 days after earthquake and tsunami struck Japan, manufacturers are struggling to get back up to speed as factories grapple with power cuts, crippled infrastructure and parts shortage.
Companies from Apple Inc to General Motors and Sony to Nokia are feeling the impact.
Toyota said it was not sure when its 12 Japanese assembly plants would reopen.
Honda Motor extended its production halt in Japan to next week.
Nissan and Mazda resumed limited operations at some of its plants.
Electronics short circuit
Sony said shortages of parts would force it to suspend production at five plants and may consider temporarily shifting some production overseas.
Toshiba, Canon, Nikon and Panasonic said they still had no timetable for restarting complete production.
Miners face longer waits for key equipment as companies such as Hitachi Construction manufacturing heavy earth-moving equipment stopped production.
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POSCO gets supply requests and runs full capacity to meet demand.
3 furnaces of Nippon Steel recover to pre-quake level.
JFE Holdings resumes production at Tokyo plant.