Yongyi Chemicals Group Co., Ltd.'s primary China-based facilities include a big R&D center in Changzhou Science and Education Park, Jiangsu; a R&D center that mainly provide materials chemistry in Beijing Daxing Industrial Zone; a process development and manufacturing plant in Changzhou Jiangbian Chemical area; a cGMP-quality manufacturing plant in Yangzhou, Jiangsu; and pilot plant and manufacturing plant in Shandong and Jiangsu.