On Tuesday, Shanghai nickel opened lower after opening lower. As of the close, Shanghai Nickel 1509 contract was quoted at 82,740 yuan/ton, down 1.25% from the previous trading day. The gap was not recovered. The highest in the day was 83,420 yuan/ton, the lowest was 81,150 yuan/ton. , the tr

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[ Huaqiang Security Network News ] Projectors are widely used in homes, offices, schools and entertainment venues. Depending on the way they work, there are different types of CRT, LCD, DLP and so on. Next, Xiaobian has collected some brands of projectors for everyone. Let'

According to a report by Japan’s Kyodo News Agency on June 18, a research team at the Kobe University and the Institute of Physical Chemistry Research Center (located in Yokohama City) conducted an analytical investigation of the composition of 13 straws, and in the 17t

The cabinet key that stored the official seal was taken away by the financial staff on a business trip. In a hurry, the staff used a 3D printer to copy a plastic key and unlock it again. This was the case in a 3D printing company in Zhongguancun last week. Will 3D printing cop

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As the price of raw materials rises, the price of modern mahogany doors also rises. Modern mahogany doors are very valuable in terms of price and artistic value. Inadvertent use in daily use can easily cause wooden doors to be injured. Next, I will introduce you how to maintain the modern maho