Akzo Nobel N.V. Ashland Inc. Changzhou Guoyu Environmental S&T CO. Ltd. CP Kelco ApS
Daicel Corporation
DKS Co. Ltd. Dow Chemical Company
Lamberti S.p.A. Nippon Paper Group Inc. Qu?mica Amtex S.A. Shandong Landu New Material Co.Ltd. Shandong Yiteng New Material Co. Ltd. Ugur Seluloz Kimya AS