Showa Denko K.K. The DOW Chemical Company
Hangzhou Keli Chemical Co. Ltd. Novista Group Co. Ltd. Sundow Polymers Co. Ltd. Weifang Yaxing Chemical Co. Ltd. S&E Specialty Polymers
Jiangsu Tianteng Chemical Industry Co. Ltd. Shandong Gaoxin Chemical Co. Ltd. Shandong Xuye New Materials Co. Ltd.