| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 790.34 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 790.34 | USD | 20251028 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 762.11 | USD | 20251028 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 762.11 | USD | 20251028 |
| Shandong Fusheng | China national standards | MT | 903.24 | USD | 20251028 |
| Shandong Fusheng | Industrial Grade | MT | 903.24 | USD | 20251028 |
| Shandong Fusheng | China national standards | MT | 846.79 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 1016.15 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 952.64 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 797.39 | USD | 20251028 |