| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1016.02 | USD | 20251113 |
| Jinan Aochen Chem | China national standards | MT | 1552.25 | USD | 20251113 |
| Shandong Yaowang Chem | China national standards | MT | 1016.02 | USD | 20251113 |
| Shandong Hanyue Chem | China national standards | MT | 1114.8 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1086.57 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 1255.91 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1016.48 | 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 |