Packing methods include moisture-proof packing, water-proof packing, rust-proof packing, mildew proof packing, dustproof packing, etc. 1, moisture-proof packaging: moisture-proof packaging is to use materials with a certain ability to isolate water vapor to seal the goods, isolated from the impact of external humidity on the product. 2, waterproof packaging: waterproof packaging is to prevent water intrusion into the packaging container caused by the deterioration of the content, damage to take certain prot