| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1399.23 | USD | 20251210 |
| Shandong Jinmao | China national standards | MT | 1300.3 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1335.63 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1229.63 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 1060.03 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1102.43 | USD | 20251210 |