The previous packaging problem is that the material of the plastic barrel is not hard enough, especially when the temperature is too high when shipped in the summer, the barrel is prone to deformation.
The earlier packaging problem was that the material of the plastic barrel was not hard enough, especially when it was delivered in summer, the barrel was easy to deform due to the high temperature
The earlier packaging problem is that the material of the plastic bucket is not hard enough, especially when it is shipped in summer, because of the high temperature, the bucket is easily deformed.