The trolley casters is the caster used under the trolley, and it is also an industrial caster. Usually four casters are used, but how should the weight of these four casters be calculated? Is it the total load-weight divided by four? The Xi......

Trolleys are commonly used transportation tools in our daily production and life. According to the number of trolley casters, they are divided into wheelbarrows, two-wheeled trolleys, three-wheeled trolleys, and four-wheeled trolleys. Among......

       For the research and development of airline service trolley casters in the air transport industry, based on numerous customer needs and long-term experience, we ensured the aircraft meal cart caster wheels safest carrying capacit......