| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 536.3 | USD | 20251118 |
| Nanjing Baitu Chem | China national standards | MT | 620.98 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 529.24 | USD | 20251118 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.36 | USD | 20251118 |
| Changzhou Qidi Chem | Polyester Grade | MT | 578.64 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 592.38 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 515.42 | USD | 20251117 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 550.72 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 508.36 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 515.42 | USD | 20251117 |