PTA bag lined with plastic film packaging of the product packaging, product net weight per sack most of 1000kg or 1100kg. PTA products in transport shall be fire-resistant, moisture resistant, antistatic. Bagged products carrying light bags, discharge, to avoid damage. PTA products should be stored in cool, well ventilated, dry warehouse, should prevent rain, not air storage. PTA quality stability, domestic production are imported, so the quality of domestic and imported PTA are capable of reaching.