Sumitomo Bakelite
Hitachi Chemical
Chang Chun Group
Hysol Huawei Electronics
Panasonic
Kyocera
KCC
Samsung SDI
Eternal Materials
Jiangsu Zhongpeng New Material
Shin-Etsu Chemical
Hexion
Nepes
Tianjin Kaihua Insulating Material
HHCK
Scienchem
Beijing Sino-tech Electronic Material