Recent domestic thermal coal market

I. Northern port situation As of March 6th, the CCI1 5500 kcal thermal coal price index in the northern port of China reported at 471.0 yuan/ton, which was a decrease of 5.0 yuan/ton from the same period last week, and the price index of 5,000 kcal thermal coal in the CCI2 northern port w

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Living room theater formation process and precautions

Nowadays, more and more friends are planning to set up a home theater to watch high-definition movies at home. Many people can't vacate the room to create an independent audio-visual room. They worry that there is no shocking cinema effect. In fact, the home theater does not

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1.03 million LED street lights illuminate the torch area

In order to thoroughly implement the spirit of the industrial conference of LED lighting industry development in Guangdong Province and accelerate the development of green lighting industry based on LED lighting, in 2014, the top ten livelihood projects in the Torch District have completed the ener

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Technology Collection: Welding robot use Daquan

Welding robot welding defect analysis and processing method The robot welding uses argon-rich mixed gas protective welding. The welding defects that occur during the welding process generally include welding offset, undercut, and venting. The specific analysis is as follows: (1) A

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Experts develop small and medium wind turbines

China's wind power industry started with small and medium-sized wind turbines. However, at present, small and medium-sized wind turbines are facing difficulties such as shrinking domestic and international markets, obsolete technical standards, and poor policy environment. Most of the

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No sale is the best service

Dong Mingzhu, chairman of Gree Group, who was in the whirlpool of public opinion, appeared in Beijing last weekend and received the second prize of the National Science and Technology Progress Award on behalf of Gree. "For Gree, we are always on the path of innovation to find ways to

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Method of creating sound absorption environment

If you have the opportunity, it is best to visit the professional sound-absorbing environment such as the anechoic room and the recording studio, which will open up our horizons. At the very least, you should also pay attention to the theater or other places with sound absorptio

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