| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.35 | USD | 20250922 |
| Beijing Yanshan Petro | China national standards | MT | 520.35 | USD | 20250922 |
| Shandong Zhiheng | China national standards | MT | 632.86 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 576.43 | USD | 20250921 |
| CNOOC | China national standards | MT | 576.43 | USD | 20250921 |
| Jinan Xingdate Bio | Polyester Grade | MT | 759.19 | USD | 20250921 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 541.28 | USD | 20250921 |
| Lihuayi Weiyuan Chem | China national standards | MT | 745.14 | USD | 20250920 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 541.28 | USD | 20250920 |
| Shandong Aite Chem | China national standards | MT | 492.07 | USD | 20250920 |