Hollow pin conveyor chains (MC series) are the most common type of chain drive used to drive mechanical power for a wide range of domestic, industrial and agricultural machinery, including conveyors, wire drawing machines and pipe drawing machinesThe products are made of high quality stainless steel. Steel plates are punched and squeezed through holes with precision technology. After processing by high-efficiency automatic equipment and automatic grinding equipment, . The assembly accuracy is guaranteed by the position of the inner hole and the rotary riveting pressure.