Some flashers have a buzzing function.

Some flashers have a buzzing function, which means that when you activate the turn signal, the flasher emits a fixed-frequency buzzing sound. However, the buzzing function has its pros and cons. The advantage is that when the turn signal is on, the sound serves as a reminder for us cyclists to remember to turn it off after making a turn, as it keeps buzzing, acting as a prompt.

2024-04-23

The benefits of visual inspection of plastic bottles for enterprises

For example, whether the plastic bottle has a high cap, cap, bottle body and other parts of the lack of material, black spots, dirty, deformation and other issues, although these are the basic appearance of the test,

2024-04-26