| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.97 | USD | 20251204 |
| Shandong Jinmao | China national standards | MT | 1300.67 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 1300.67 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 1385.49 | USD | 20251204 |
| Shandong Jinmao | China national standards | MT | 1300.67 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1555.14 | USD | 20251204 |