Liner in the Rail Wagon for bulk material transportation sealed PE Woven liner installed in the Wagon/Truck, then filling the Cargo from the top spout(4pcs Spouts). The Liner was used to isolate and protect the cargo against the Wagon to guarantee cleanliness in Wagon. After unloading to empty Wagon and return back. No need clean the Wagon/Truck, we can save the cost and time.