Zhejiang Yisu New Material Technology Co., LTD. (General grade polystyrene dealer) is A new material enterprise of A-share listed company Guoen Stock (stock code: 002768) with an annual output of one million tons of polystyrene. Zhejiang Yisu is located in the high-tech development Zone of Zhoushan City, Zhejiang Province, adjacent to the East China Sea, close to the estuary of the Yangtze River, with good resources and location advantages. The company covers an area of 200 acres, the main construction of 10 polystyrene production lines, after reaching the annual output value of 12 billion yuan to more. The company's core products are polystyrene (PS), including general grade polystyrene (GPPS) and high impact polystyrene (HIPS) two categories. As one of the five general plastics, polystyrene can be widely used in flame-retardant PS, XPS, medical utensils, household appliances, automotive household appliances, packaging containers, industrial parts and other industries.