泰和科技：目前正在现有土地上进行氯代碳酸乙烯酯（CEC）的替代改造

Group 1 - The company is currently undergoing a replacement modification of chlorinated ethylene carbonate (CEC) on its existing land [2] - The company can produce qualified VC products using 80% externally sourced CEC, although this process generates a higher amount of waste [2] - There is a certain level of uncertainty associated with the subsequent trial production process [2]