| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 425.49 | USD | 20260605 |
| Dongying Huatai Chem | China national standards | MT | 425.2 | USD | 20260604 |
| Dongying Huatai Chem | China national standards | MT | 425.32 | USD | 20260603 |
| Dongying Huatai Chem | China national standards | MT | 425.3 | USD | 20260602 |
| Dongying Huatai Chem | China national standards | MT | 425.43 | USD | 20260601 |
| Dongying Huatai Chem | China national standards | MT | 425.37 | USD | 20260529 |
| Dongying Huatai Chem | China national standards | MT | USD | 20260528 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20260527 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20260526 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20260525 |