| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 529.54 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 592.38 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 508.36 | 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 Zhiheng | China national standards | MT | 592.38 | USD | 20251117 |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.97 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 515.42 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 536.6 | USD | 20251117 |