LED chip makers in the revenue grid in August this year, 2.332 billion yuan (NTD, the same below), m......
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Among the various hardness measurement methods, the simplest is the Mohs hardness method. This is a......
Usually, people put gold and white silver regarded as the most precious thing. In fact, the platinu......
Jinzhou Petrochemical Branch Co., Ltd. and Jinzhou Sunshine Energy Co., Ltd. became the first batc......
"The shield machine is like a ' iron and steel ', and it can form a long tunnel at the......
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Aquarius makes people love it An antique collector from Nanning “patted†the......
The launch of the Ten City Wanhao pilot project has laid the foundation for LED lighting and contrac......