Bright idea

China Daily (USA) - - CHINA - LIU YING / XIN­HUA

LED fil­a­ment bulbs are dis­played at the China In­ter­na­tional In­dus­try Fair in Shang­hai on Wed­nes­day. The bulbs were made by the Shang­hai In­sti­tute of Tech­nol­ogy. More than 2,000 ex­hibitors from China and over­seas are at­tend­ing the event, which is to run through Satur­day.

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