钢制托辊是输送机行业使用普遍的零部件。钢制托制造工艺成熟，可靠耐用，应用于输送各种物料。

        Steel rollers are the most commonly used and numerous components in the conveyor industry. The manufacturing process of steel pallets is mature, inexpensive, reliable, and durable, and they are used for conveying various materials.