The cost of glass bottles is high because the cost of plastic bottles is lower than that of glass bottles. Because the plastic bottle is simple and easy to make higher, but the glass bottle is different. Glass products are more complicated, and the price of plastic bottles is very low. Plastic bottl

One is the blister method; the other is the oil infiltration method. Fill the small bottle with water and soak it in water; rub the slightly larger label with cooking oil and soak it.Ten minutes later, a layer of film on the label of the small bottle in the water can be torn off, and the edge of the

1. The number represents the mold code when the bottle is produced.2. If there is a quality problem after the glass bottle is produced, it can be found out which mold has the problem according to the bottle bottom number. The higher the number, the higher the safety level. Only bottles above 5 can b