High-quality and low-priced dim sum carts are generally divided into three levels: upper, middle and lower. It is a semi-enclosed or enclosed dining car with four universal wheels at the bottom that can be pushed and pulled. The main structure of affordable dim sum carts is the same as that of ordinary food carts, except that some of them are equipped with clear fiberglass around the lower two floors and a fiberglass sliding door on the left side, which is to facilitate customers to take food at any time. High-quality and affordable dim sum carts are widely used , can be used to transport cutlery and cutlery or to display cutlery. Sometimes even a few stoves and cooking ingredients can be placed in an inexpensive snack cart, and the chefs will demonstrate their cooking skills by cooking the snacks in a public space in the hall.
In addition to the function of the open dining car, the high-quality and low-priced dim sum cart is also mainly used for morning and evening tea (order) services in hotels. Waiters shuttle a variety of food between inexpensive and good-quality dim sum carts and push carts. Guests can order and pick up food from the trolley, which is very convenient.