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China is a big agricultural country, with large rural cities and a rural population of 800…
The labor shortage is a major problem that plagues the lighting industry. However, compani…
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In 2014, it was regarded as the LED industry transformation year. LED supply and demand ha…

In May 2013, Qingdao Haidewei Technology Co., Ltd. independently developed the marine guard bal…
The clutch is a very important part of the tanker…
In recent years, the price of oil has been rising. Ma…