Hollow pin chain is relative to solid pin chain. According to different usage scenarios, various types of accessories such as accessory shafts, crossbars, etc. are installed inside the hollow pin of the chain to achieve material lifting and transportation. The main products include short pitch hollow pin conveyor chains, double pitch hollow pin conveyor chains, non-standard hollow pin conveyor chains, etc; Using high-quality materials and advanced processing techniques, the product has the characteristics of smooth transportation and high synchronization.