Plastic seals can greatly enhance our sales, then how to distinguish the quality of the product?
How to distinguish the quality of plastic seals
1. Observe the appearance: Common plastic seals are colored, electroplating and spraying three, the purpose is to add a layer of protective film outside the seal in order to achieve corrosion

Rust, good quality plastic seal appearance will be more beautiful, pleasing;

2. By hand to measure: good quality materials will not cut corners, contrary to poor quality materials inside the most likely hollow or replace other materials and weight problems;

3. With the ears to listen: poor quality plastic seal sound will be more boring, uncomfortable, you can listen to the sound many times. This method is still very good, to avoid being cheated by businesses.