This standard specifies the basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for one-time molded trolley cases. This standard applies to trolley cases made of acrylonitrile-butadiene-styrene copolymer (ABS) and polycarbonate as the main materials, molded in one piece, with the function of carrying clothing, and equipped with wheels, pull rods and aluminum frames.