| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.65 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 522.98 | USD | 20251205 |
| Shanghai Guoke | China national standards | MT | 671.39 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 515.91 | USD | 20251205 |
| Changzhou Qidi Chem | Polyester Grade | MT | 706.72 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 537.11 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 513.08 | USD | 20251205 |
| BASF YPC | China national standards | MT | 593.65 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 508.84 | USD | 20251205 |
| Sinopec | China national standards | MT | 614.85 | USD | 20251205 |