| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongshuo Chem | China national standards | MT | 494.6 | USD | 20251208 |
| BASF YPC | China national standards | MT | 593.52 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.39 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 508.73 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 579.39 | USD | 20251208 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 504.49 | USD | 20251208 |
| Sinopec | China national standards | MT | 614.72 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 537.0 | USD | 20251208 |
| CNOOC | China national standards | MT | 565.26 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 512.97 | USD | 20251208 |