Koppers is an integrated producer of carbon compounds and treated wood products for the aluminum, steel, chemical, rubber, railroad, and utility industries.
Beijing Tianyishangjia New Material Corp. (北京天宜上佳高新材料股份有限公司, also known as Beijing Tianyishangjia High-Tech Materials, Tianyi Shangjia, Tian Yi Shang Jia, TYSJ, 天宜上佳) is a supplier of advanced materials for rail, automotive, green energy, and defense applications.
SCI Engineered Materials (formerly known as Superconductive Components) is a company that manufactures and supplies advanced materials for physical vapor deposition (PVD) thin-film applications.
Shenzhen WOTE Advanced Materials (深圳市沃特新材料股份有限公司, 沃特股份) is a company that is engaged in the research, development, and production of engineered plastic products and polymer materials.
China Shuifa Singyes Energy Group (中国水发兴业能源集团有限公司, formerly China Singyes Solar Technology Holdings Co., Ltd) is a company focusing on providing solutions for clean energy, green building, and new materials industries.