| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Kainiu Chem | China national standards | MT | 592.55 | USD | 20251031 |
| Zaozhuang Yitai | China national standards | MT | 606.66 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 529.06 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 529.06 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 529.06 | USD | 20251031 |
| Shandong Junfeng | China national standards | MT | 620.77 | USD | 20251031 |
| Jinan Qi Mat | China national standards | MT | 522.01 | USD | 20251031 |
| Shandong Hualu | Polyester Resin Grade | MT | 522.01 | USD | 20251031 |
| Hualu Holdings | China national standards | MT | 677.2 | USD | 20251031 |
| Shandong LuoHeng Chem | China national standards | MT | 578.44 | USD | 20251031 |