| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 930.65 | USD | 20251023 |
| Jinan Angxin Chem | China national standards | MT | 958.85 | USD | 20251023 |
| Jinan Angxin Chem | China national standards | MT | 958.85 | USD | 20251023 |
| Jinan Angxin Chem | China national standards | MT | 958.85 | USD | 20251023 |
| Nanjing Guanshan Energy | China national standards | MT | 958.85 | USD | 20251023 |
| Nanjing Guanshan Energy | China national standards | MT | 951.8 | USD | 20251023 |
| Shandong Hualu | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Fusheng | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Fusheng | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Huize Chem | China national standards | MT | 1057.56 | USD | 20251023 |