| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.44 | USD | 20251031 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 620.77 | USD | 20251031 |
| Qingdao Shengze Chem | Polyester Grade | MT | 529.06 | USD | 20251031 |