Mini Excavator UndercarriageTrack Roller

Roller, a type of sports equipment, is made by balancing several iron rods and connecting two equally sized iron rings. People climb their pedals in the wheel, causing the ring to roll. Formerly known as Hufu. Roller, also known as roll sealing roller, sealing roller, or roller, is a commonly used term for spare parts in the packaging machinery and beverage production industry.