The universal caster is the so-called movable caster, and its structure allows 360-degree rotation horizontally. There are many kinds of materials for making universal wheels, the most common materials are: nylon, polyurethane, rubber, cast iron and other materials.
Read MoreWhen choosing a suitcase, the most important thing is to choose a high-quality suitcase. So if you want to identify the authenticity of leather goods, you must learn the sensory identification method
Read MoreThe structure of the two wheels is simple, the wheels are oriented, and they are generally buried halfway in the box, which is tightly connected to the whole box. It is almost impossible to go wrong when the quality passes.
Read MoreSix production processes for trolley luggage:The first process is compounding,The second process is to cut the composite material into the shape required by the trolley luggage,The third process is to process the cut material with a sewing machine,The fourth process is the upper plate and bow,The fifth process is the pull rod and wheels,The sixth process is to cut off the extra head and packaging work.
Read MoreTrolley box maintenance method1. The lever is broken.2. The pulley of the trolley box is broken.3. The box body of the trolley case is broken
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