| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 491.78 | USD | 20251208 |
| Shandong Yuanhe Chem | Polyester Grade | MT | 692.44 | USD | 20251208 |
| Zaozhuang Yitai | China national standards | MT | 635.92 | USD | 20251208 |
| Shandong Hongshuo Chem | Polyester Grade | MT | 537.0 | USD | 20251208 |
| Shandong Hongshuo Chem | China national standards | MT | 494.6 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 579.39 | USD | 20251208 |
| Zaozhuang Yitai | China national standards | MT | 607.65 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 515.8 | USD | 20251208 |
| Shandong Hongshuo Chem | China national standards | MT | 508.73 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 508.73 | USD | 20251208 |