interior of a large, brightly lit convention hall

interior of a large, brightly lit convention hall. The ceiling is high, with visible beams and numerous light fixtures. Rows of exhibition booths line the hall, displaying various products and company information. Many people are walking through the aisles, some interacting with booth staff. One booth prominently features the name "Z&L Zhao Long Group Co., Ltd." The booth contains a small truck, a table with chairs, and a display screen. Other booths showcase various items, including car parts and industrial components. The floor is covered with a blue carpet runner in the main walkway. A cleaning cart is being pushed through the hall by a worker.