| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Henrui Chem | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Henrui Chem | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1070.11 | USD | 20251014 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Tongzhou Chem | China national standards | MT | 1478.44 | USD | 20251014 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Daoqin Chem | China national standards | MT | 1267.48 | USD | 20251013 |
| Shanghai SinoMitsui | China national standards | MT | 1140.73 | USD | 20251013 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1084.4 | USD | 20251013 |