| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 671.54 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 508.96 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 593.08 | USD | 20251204 |
| Shandong Hongshuo Chem | China national standards | MT | 494.82 | USD | 20251204 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.64 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 530.16 | USD | 20251204 |
| Shandong Hongshuo Chem | Polyester Grade | MT | 537.23 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 678.61 | USD | 20251204 |
| Sinopec | China national standards | MT | 678.61 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.51 | USD | 20251204 |