| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1257.79 | USD | 20251201 |
| Hunan JinyuChem | China national standards | MT | 1017.54 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Sinopec | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Daoqin Chem | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Henrui Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Tongzhou Chem | China national standards | MT | 1413.25 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1031.67 | USD | 20251201 |