| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 1265.79 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 1547.07 | USD | 20251009 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1082.95 | USD | 20251009 |
| Shandong Henrui Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Henrui Chem | China national standards | MT | 1097.02 | USD | 20251009 |
| Sinopec | China national standards | MT | 1097.02 | USD | 20251009 |
| Shanghai SinoMitsui | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1097.02 | USD | 20251009 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1082.95 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 1251.72 | USD | 20251009 |