
Guangzhou Composition Material Research InstituteGuangdong Sheng, China

Kolor Magnetic Shenzhen Co. Ltd.

Norit Nederland B.V.Utrecht, Netherlands

Suzhou Bioko Rubber Co. Ltd.

Inner Mongolia Yili Chemical Industry Co., Ltd.

Kanto Denka Kogyo Co., Ltd.Tokyo-to, Japan

The Nippon Synthetic Chemical Industry Co., Ltd.

Crompton Corp.

LOTTE Fine Chemical Co., Ltd.South Korea

Lianhe Chemical Technology Co., Ltd.Jiangsu, China

Quanzhou Normal UniversityFujian, China

Shivalik Rasayan Ltd.Gujarat, India