- GE send "dear John letter" : leave the CFL, hug LED lights
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Addtime:2016-02-03
5928
- Gross profit margin rose Leishi lighting is expected to turn into profit in 2015
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Addtime:2016-02-02
6234
- Osram set up r&d center in penang Focus on Asia business
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Addtime:2016-02-01
5890
- Opened in 2018, California high threshold energy conservation standard energy-saving benefit exceeds 26.3 billion yuan
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Addtime:2016-02-01
5664
