... available long lasting,high strength,durable PP bag packing builder line, building line 1.feature:stand wear and tear, long lasting 2.high ... strength, durable Nylon builder line, building line1.material : nylon6, PA6;2.diameter :0.60mm—1.5mm3 ... .packing :roll,100m/reel, connected roll, PP bags ,spool,etc polyamide building line