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  • Feb 23
    2019
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    2019
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    2018
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    2018
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    2018
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    2018
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    2018
  • The ballpoint pen can't write the word except for the lack of oil, most of which is caused by the oil at the end of the tail or the jam of the ball. Today, the Tianxing pen makes a few simple ways to repair the ballpoint pen, as follows:……
    Jul 25
    2018
  • Oily ballpoint pen is the first generation of ballpoint pen series products. It has been put into the market in batches for more than 60 years. After long-term improvement and improvement, the oily ball-point pen production process is mature, the pro……
    Jul 25
    2018
  • The environmentally friendly water-based pen is a new type of environmentally-friendly teaching aid product, which is different from the ordinary whiteboard pen.……
    Jul 25
    2018
  • China produces more than 6 billion pencils a year and uses more than 200,000 cubic meters of high quality eucalyptus every year. If you use old newspapers or recycled paper as pens, you can get 5 cubic meters of eucalyptus per ton of old newspapers a……
    Jul 25
    2018
  • The production process of the newspaper pencil rod is simply that the old newspapers that are separated from each other are neatly stacked, and pressed with heavy objects such as cement prefabricated parts. Then, according to the size of the pencil, ……
    Jul 25
    2018
  • With the development of technology, a hooded paper-and-pencil pencil enters people's lives. People call it “goose-capped paper-claw pencil”, and its cap is designed with a 360-degree vortex open-ended design, which liberates the pencil. At the same t……
    Jul 25
    2018
  • Generally, the pen can be used normally after it is put into the water. It is not necessary to take a new blisters as the individual has said. Of course, sometimes it will be inevitable that the pen will not come out of the water or the tip of the pe……
    Jul 25
    2018
  • When we use the pen, some parameters are not visible. But we can still use some techniques to get the pen good or bad. Let's take the best-selling pen on the market as an example.……
    Jul 25
    2018
  • There are many types and models of pens. According to the composition of the pen tip, it can be divided into two types: gold pen and gold pen.……
    Jul 25
    2018
  • In 1809, the United Kingdom issued the first patent certificate on the fountain pen, which marked the official birth of the pen.……
    Jul 25
    2018
  • The pen is a universally used writing instrument that was invented in the early 19th century. The tip is made of metal and is sleek and flexible, and quite smooth. There are obvious trademarks and models at the mouth of the pen or the surface of the ……
    Jul 25
    2018
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