Kuo Ching Chemical Co., Ltd.
Idemitsu Kosan Co., Ltd.Tokyo, Japan
Hangzhou Oxygen Plant GroupZhejiang Sheng, China
Ion Exchange (India) Ltd.Maharashtra, India
PT Delta Merlin Dunia TextileIndonesia
Twelve Benefit Corp.California, United States
Süd-Chemie AGBasel-Landschaft, Switzerland
TrioMed Innovations Corp.Vermont, United States
Du Pont-Toray Co., Ltd.Tokyo-to, Japan
Koei Chemical Co., Ltd.Tokyo-to, Japan
Golmud Zangge Potash Fertilizer Co., Ltd.
Japan Polychem Corp.