my country’s general-purpose polystyrene (GPPS) market is gradually expanding and its product structure is constantly upgrading.

The English name of polystyrene is Polystyrene, or PS for short. Polystyrene is a synthetic resin formed from styrene monomer through various polymerization methods. It has the characteristics of being repeatedly heated, softened and cooled to solidify. There are three main types of polystyrene commonly available on the market, namely general-purpose polystyrene (GPPS), impact-resistant polystyrene…