We are a drag chain manufacturer.
For bulk products in the form of powder, granular or other small pieces, they are designed for the slightly inclined horizontal transport by means of drag through a chain link.
The conveyor chain is made of high-quality steel plates, with bushings, hardened pins and driven sprockets.
The plate material is alloy steel, stainless steel for your choice, the pin is alloy steel or nylon by your requesting.
Anyhow, let me know your requirement, we will design for you.