| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 1084.19 | USD | 20251014 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1084.19 | USD | 20251014 |
| Shandong Qiangsen Chem | China national standards | MT | 1253.15 | USD | 20251014 |
| Sinopec | China national standards | MT | 1070.11 | USD | 20251014 |
| 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 |