| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1056.81 | USD | 20251016 |
| Sinopec | China national standards | MT | 1056.81 | USD | 20251016 |
| Jinan Aochen Chem | China national standards | MT | 1549.99 | USD | 20251016 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1085.0 | USD | 20251016 |
| Shandong Qiangsen Chem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Daoqin Chem | China national standards | MT | 1268.18 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 1085.0 | USD | 20251016 |
| Shanghai SinoMitsui | China national standards | MT | 1141.36 | USD | 20251016 |
| Shandong Yaowang Chem | China national standards | MT | 1099.09 | USD | 20251016 |