... Gel Sponge Seal, Silica Gel Seal, Aluminum Sheet Belt Wheel, Aluminum Tray, Nylon Gear Wheel, Nylon Protection Cover, Nylon Chain Link, Nylon ... pothook, Nylon Bush, Rubber Impeller, Hanging Assembly, Precooling pothook, Sliding Guide Wheel and Stainless Steel Pothook.etc The products have the properties ...