On the afternoon of March 23, Keyuan Holding Group and Changzhou Ruihua Chemical Engineering Technology Co., Ltd. (hereinafter referred to as "Ruihua Technology"), Shandong Haicheng Petrochemical Engineering Design Co., Ltd. (hereinafter referred to as "Haiceng Design"), Guangdong Zhenghe Engineering Co., Ltd. (hereinafter referred to as "Guangdong Zhenghe") held a design cooperation signing ceremony and formally reached a design cooperation for the 1.1 million tons/year ABS project. Chairman Tao Chunfeng attended the signing ceremony and witnessed this important moment.