Zhejiang Hisun Biomaterials Co., Ltd. (hereinafter referred to as the "HISUN"), established in August 2004, is a high-tech enterprise integrating R&D, production and sales of PLA. Through independent R&D, HISUN has broken through the "bottleneck" technology of industrial production of key raw material Lactide, and realized localization of PLA resin. It is the first listed company specializing in PLA business in China(Stock name: Hisun Biomaterials, stock code: 688203).