The product brand produced by Yuexing Chemical is Yaolan. The main types of expandable polystyrene products include flame-retardant, lightweight, environmentally-friendly flame-retardant, etc.; used in construction, agriculture, fishery, electrical packaging and other industries . The main product types of modified polystyrene are high-gloss type, sub-gloss type, and impact-resistant type; they are used in household appliances, automobiles, and daily necessities industries. The product application covers a wide range, enough to meet the needs of most customers. Under the condition that the product types fully cover the market demand, we will continue to develop and improve the products to meet the needs of continuous progress and development of the society.