| ELEC & ELTEK INTERNATIONAL COMPANY LIMITED | 98.32% | Kingboard (Hebei) Cokechem Co., Ltd. | 100.00% |
| Kingboard (Hebei) Chemical Co., Ltd. | 100.00% | Kingboard Natural Gas Chemical (Chong Qing) Ltd. | 100.00% |
| Kunshan Guo Rui Development Co., Ltd. | 100.00% | Heng Yang Kingboard Chemical Co., Ltd. | 100.00% |
| Huizhou Chung Shun Chemical Co., Ltd. | 100.00% | Shi You Chemical (Yangzhou) Co., Ltd. | 100.00% |
| KB LAMINATES(01888) | 66.95% | | |