免费毛片视频/胖美女特黄色视频/国产日b视频一区区/久久一本 - 亚洲色大成网站 婷婷

  English   |   簡(jiǎn)體中文
  • Procedures of Using the sideways threading convenient needles

    1678 Click
    Procedures of Using the sideways threading convenient needles 1.Hold the needle with your left hand and makes the needle’s eye upward. Hold one end of the thread with your right Hand.
  • Procedures of Using the backward threading convenient needles

    1737 Click
    Procedures of Using the backward threading convenient needles 1.Hold the needle with your left hand and makes the needle’s eye upward. Hold one end of the thread with your right Hand.
  • How to select hand sewing needles

    1688 Click
    How to select hand sewing needles with excellent qualities when you lack necessary equipment and devices for testing them? The following are some easy methods for your reference:
  • How to keep hand sewing needles

    1313 Click
    (1) Needles used by enterprises: 1.Storage: The product should be stored in a warehouse. It is prohibited from being stored outdoors. The warehouse should be dry and vented, with a relative humidity of no larger than 85% and a temperature of no higher than 45°C.
Total1Page,Current 1 Page   Up Page   1     Next Page