| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1548.05 | USD | 20250923 |
| Shandong Henrui Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Shanghai SinoMitsui | China national standards | MT | 1097.71 | USD | 20250923 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1097.71 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Shandong Tongzhou Chem | China national standards | MT | 1407.32 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1083.64 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1083.64 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1083.64 | USD | 20250923 |