| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1159.29 | USD | 20251204 |
| Shandong Lifuda | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1399.63 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Xiamen Yudeshun Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Junfeng | China national standards | MT | 933.09 | USD | 20251204 |