| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1215.84 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1074.46 | USD | 20251204 |
| Shandong Lifuda | China national standards | MT | 1116.88 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Xiamen Yudeshun Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1434.97 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1145.15 | USD | 20251204 |