| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 292.69 | USD | 20260424 |
| Dongying Huatai Chem | China national standards | MT | 292.85 | USD | 20260423 |
| Dongying Huatai Chem | China national standards | MT | 292.85 | USD | 20260422 |
| Dongying Huatai Chem | China national standards | MT | 292.85 | USD | 20260422 |
| Dongying Huatai Chem | China national standards | MT | 288.65 | USD | 20260421 |
| Dongying Huatai Chem | China national standards | MT | 288.43 | USD | 20260420 |
| Dongying Huatai Chem | China national standards | MT | 288.43 | USD | 20260420 |
| Dongying Huatai Chem | China national standards | MT | 354.11 | USD | 20260417 |
| Dongying Huatai Chem | China national standards | MT | 354.11 | USD | 20260417 |
| Dongying Huatai Chem | China national standards | MT | USD | 20260416 |