qingyang556 on Instagram: "Multi-purpose truck container folding and expanding restaurant/event/party trailer. Operation process demonstration. Simple and flexible operation, economical and practical, suitable for gatherings, dinners, dance halls, exhibition halls, birthday parties, wedding planning, event planning, mobile meeting rooms, mobile cinemas, mobile supermarkets, mobile gymnasiums, outdoor camping, and other scenarios. Suitable for use anytime, anywhere, and built to last.#Party trail