Medium to large sand and gravel screening equipment, also known as drum screening machine, is a type of screening equipment that grades materials based on their particle size. Due to its simple process layout, it is widely used for product grading in industries such as mining, building materials, transportation, energy, and chemical engineering. Commonly used in the grading and screening of medium and fine-grained materials to improve material quality. Haorui Machinery can professionally customize various models, specifications, and methods of high-efficiency drum screens according to different actual situations of users.