| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1254.33 | USD | 20251022 |
| Wuhan Hengjiu Chem | China national standards | MT | 1085.21 | USD | 20251022 |
| Shandong Yaowang Chem | China national standards | MT | 1071.12 | USD | 20251022 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1042.93 | USD | 20251022 |
| Shandong Tongzhou Chem | China national standards | MT | 1409.36 | USD | 20251022 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1042.93 | USD | 20251022 |
| Shanghai SinoMitsui | China national standards | MT | 1043.28 | USD | 20251021 |
| Sinopec | China national standards | MT | 1043.28 | USD | 20251021 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1043.28 | USD | 20251021 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1085.58 | USD | 20251021 |