March 13, 2020In the past, people used to pin their pages together. But the needle damages the paper, and it will also hurt the user by puncturing the finger. A Norwegian inventor, John Waller, thinks he can solve ...view
April 7, 2020That dozens of colors may it be, a crayon is a drawing pen made by mixing paint into wax.Unable to penetrate, crayons dye onto the picture by adhesion force. Therefore, they are suitable neither for s...view
November 6, 201811th June, our Kazakhstan customers came to visit us, who want to order clip production line from us. We showed running clip making machine, PVC coating machine and injection machine. We discussed dee...view
April 7, 2020Erasers, also called rubbers, are a kind of stationery which can remove pencil marks. The majority of them are white, brown or pink, however, they can now be of any colors as new ingredients are adopt...view
English
