| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 627.87 | USD | 20251121 |
| Shanghai Guoke | China national standards | MT | 670.19 | USD | 20251121 |
| Shandong Jinshenrun Chem | China national standards | MT | 564.37 | USD | 20251121 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.25 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 493.83 | USD | 20251121 |
| Shandong Zhiheng | China national standards | MT | 591.89 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 507.94 | USD | 20251121 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 550.26 | USD | 20251121 |
| Qingdao Shengze Chem | Polyester Resin Grade | MT | 529.1 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |