| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 536.16 | USD | 20251121 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.25 | USD | 20251121 |
| Sinopec | China national standards | MT | 613.76 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |
| Shandong Rongxin | Polyester Resin Grade | MT | 536.16 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 507.94 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Zaozhuang Yitai | China national standards | MT | 634.92 | USD | 20251121 |