| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1546.51 | USD | 20250919 |
| Shandong Henrui Chem | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Henrui Chem | China national standards | MT | 1405.92 | USD | 20250919 |
| Shandong Henrui Chem | China national standards | MT | 1096.61 | USD | 20250919 |
| Shanghai SinoMitsui | China national standards | MT | 1096.61 | USD | 20250919 |
| Sinopec | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Henrui Chem | Polycarbonate Grade | MT | 1096.61 | USD | 20250919 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Tongzhou Chem | China national standards | MT | 1405.92 | USD | 20250919 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1096.61 | USD | 20250919 |