| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Yuxuan Chem | China national standards | MT | 1215.84 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1399.63 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1159.29 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 1215.84 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1116.88 | USD | 20251204 |