| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Tongzhou Chem | China national standards | MT | 1411.77 | USD | 20251112 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1016.48 | USD | 20251112 |
| Shanghai SinoMitsui | China national standards | MT | 1030.59 | USD | 20251112 |
| Shandong Henrui Chem | China national standards | MT | 1030.59 | USD | 20251112 |
| Sinopec | China national standards | MT | 1030.59 | USD | 20251112 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1016.48 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 1115.3 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 1115.3 | USD | 20251112 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1087.06 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 1256.48 | USD | 20251112 |