Recent Entries

• Why can't the key open the door lock from the outside?

  by li dsle May 26, 2022
  First, because the keys are new, the edges are angular and not smooth. Second, because the lock slot has not been used for a long time, professional maintenance personnel are required for maintenance.   Selection indicators of anti-theft door locks:   1. The material of the lock body ...

• Why can't the key open the door lock from the outside?

  by li dsle May 26, 2022
    First, because the keys are new, the edges are angular and not smooth. Second, because the lock slot has not been used for a long time, professional maintenance personnel are required for maintenance.   Selection indicators of anti-theft door locks:   1. The material of the lo...

• How to realize drone pendulum

  by li dsle May 25, 2022
   The drone flight performances we usually see can change various shapes and patterns, so do you know how the drone pattern is realized?drone light show company ，Let's have a look!   The pattern placed by the drone is formed by the computer calculating the specific location. Relying ...

• The benefits of using a fabric laser cutter

  by li dsle May 25, 2022
  The surface of polyester fabric is usually printed with bright colors, patterns, numbers, etc. Since conventional fabrics are printed with pattern numbers, etc. Laser Engraving Machine ，, the cutting process is very different from conventional fabrics.   Therefore, many garment manu...

• The difference between water sandpaper and dry sandpaper

  by li dsle May 25, 2022
  1. The gap between the sand grains of the water sandpaper is small, and the ground powder is also small; when used with water, the powder will flow out with the water,abrasive cloth ,so it should be used together with water; if the water sandpaper is used for dry grinding, the fine powder will ...