The lever wobble is normal for the following reasons: 1. The spring button connected between the lever and the lever. 2. There is a gap between the big drawbar tube and the small drawbar tube. Otherwise, the two drawbar tubes cannot be pulled out too tightly. There is a plastic ring at the connection between the built-in rod and the spring, which also has a stabilizing effect.

The difference between pp luggage and pc luggage.

PP material is more environmentally friendly and flexible, with good impact resistance, moisture absorption and acid resistance alkali corrosion, solubility resistance and other advantages. In addition, PP trolley luggage was successfully solved as ABS luggage the weight of the bag is too heavy, it is difficult to carry and the luggage is easily broken, and the PC bag is easy to wear puzzles with flowers and scratches.

Nowadays, the trolley case is full of our business trips, travel, school, etc. The trolley case has become a must-have item. The trolley case of many friends around us has a problem before it is used for a long time. We often complain about the quality of the trolley case. Too much. In fact, not only that, in addition to the quality aspect, the trolley case also has the usual attention and maintenance. The emphasis on the use and maintenance can make our love box more durable.

There are many types of trolley luggage casters, and the following are generally summarized on the market.