Du Pont China Co. Ltd.
Liaocheng Fuhua New Material Co. Ltd.
Longpont Co. Ltd.
Xuchang Yongteng Insulation Material Co. Ltd.
XuJue Electrical Co. Ltd.
Yancheng Advanced Insulation Co. Ltd.
Yantai Metastar Special Paper Co. Ltd.
Zibo Haichen Composite Materials Co. Ltd.