Hainan Yisheng Petrochemical Co., Ltd. is a leading polyester producer within the Yangpu petrochemical cluster, featuring an integrated PTA-PET production capacity. Leveraging the advantages of the Yangpu Port and the Hainan Free Trade Port, the company exports its "YS" series of bottle-grade PET resin to international markets. Its core competitiveness is built upon stable, large-scale production capacity, food-grade quality, and efficient export logistics. The company’s product portfolio serves a diverse range of applications, including packaging for beverages, edible oils, and grains, as well as thermoformed sheets.