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Ningbo Myron promotion co., Ltd.

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  • Find magnet
    Magnet is not invented, it is a natural magnetite. Ancient Chinese people discover nature a kind of natural Magnetized stone, called "magnet." This stone can magically pick up small pieces of iron sheet, and after swinging freely always point in the same direction. Early sailors put this magnet as its earliest compass to identify the direction of the sea. The earliest discovery and use magnets should be Chinese people, or "Compass," is one of the four great inventions of China. After thousands of years of development, today has become a magnet strong material in our lives. By alloy synthesis of different materials to achieve the same effect with the magnet, but also can improve the magnetic force. In the 18th century there have been man-made magnets, but the manufacturing process is very stronger magnetic slowly until the 1920s to produce aluminum-nickel-cobalt (Alnico). Subsequently, the 1950s produced the ferrite (Ferrite), 70 years of manufacture rare earth magnets [Rare Earth magnet includes neodymium (NdFeB) and samarium cobalt (SmCo)]. Thus, magnetic science and technology has been rapid development of magnetic materials also makes the device more compact.

    2015 10/21

  • Highlighter smell toxic?
    Highlighter is new in recent years made a mark with a pen with thicker, lighter ink coverage do mark key parts, cook mark after being obscured text at a glance. The most important role is to: file marked with a highlighter done, when copying, see sign ever done! Highlighter divided into two aqueous and oily. Similar water pen and colored pens, is non-toxic, but not easy to do. And coverage is bad, the surface of some items not write up, and stacked two colors will look dirty. Oil pen is colored synthetic solvents dissolve with alcohol, some people who are sensitive to smell its flavor will produce vertigo. It is easy to write but also easy to dry, coverage is good, the price is cheaper. Some came with a fruity highlighter.

    2015 10/21

  • Plastic ballpoint pen principle structure
    Written in ballpoint pen principle, mainly using the ball at the time of writing paper in direct contact with the frictional force is generated, so that the ball rolling in the tee with the ink or ink cartridge inside in order to achieve the purpose of writing. Ballpoint pen with ink with a different color pen writing. Nib is a small ball, the small steel ball embedded in a small cylinder-type copper bowl, after connecting a plastic tube containing the ink, the ink flow by a rotation around with the ball. Ball-point pen ink is pigment dye. Ink colors are blue, red and black, especially the most used blue ink. Past the blue ink royal blue pigment composition is salt and salt Qinglian, the solvent is oxidized castor oil, castor oil acid. Since the basic dyes are not light (light of only one - Level 2), no heat, no acid, so durability is poor, has been eliminated. On the market of "424" blue ballpoint pen and "322" in black ballpoint pen, use it to write handwriting better durability. Frequent reports of poisonous scent ballpoint pen, stationery inferior flavor contained toxic volatile organic compounds on the human body has some damage; but it has not heard of the event due to normal use no volatile organic compounds mixed with an oily ballpoint poisoning.

    2015 10/21

  • HK GIFTS AND PREMIUM SHOW
    we are excited to inform you that we are going to participate in following trade shows: Hong Kong Gifts & Premium Fair 2015,Date: 2015/04/27-2015/04/30,Booth No: to be advised

    2015 04/16

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