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 Energy and climate change secretary Ed Davey has annou […]

LED lighting differs from incandescent and compact fluo […]

Development of LED market is unstoppable, in my opinion […]

The US Department of Energy (DOE) has released a Calipe […]

American Standard metal halide is mainly filled with Sc […]

Terry McGowan, director of engineering for the ALA brou […]

The US Environmental Protection Agency (EPA) has distri […]

Recently, more and more north koreans to snap up China […]

Oversea emerging market is providing Chinese enterprise […]