| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong LuoHeng Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Shanxi Yangmei Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Shandong LuoHeng Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Hualu Holdings | China national standards | MT | 675.21 | USD | 20250929 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.57 | USD | 20250929 |
| Qingdao Shengze Chem | China national standards | MT | 541.57 | USD | 20250929 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.57 | USD | 20250929 |
| Qingdao Shengze Chem | China national standards | MT | 541.57 | USD | 20250929 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 562.67 | USD | 20250929 |