| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 711.54 | USD | 20251020 |
| Jinan Dezheng Chem | China national standards | MT | 711.54 | USD | 20251020 |
| JIN Yimeng | China national standards | MT | 810.17 | USD | 20251020 |
| Shandong Mingyu | China national standards | MT | 810.17 | USD | 20251020 |
| Qingdao Shengze Chem | China national standards | MT | 728.45 | USD | 20251020 |
| JIN Yimeng | China national standards | MT | 728.45 | USD | 20251020 |
| Shandong Yuxuan Chem | China national standards | MT | 781.99 | USD | 20251020 |
| Hubei 789 Chem | China national standards | MT | 767.9 | USD | 20251020 |
| Hubei 789 Chem | China national standards | MT | 767.9 | USD | 20251020 |
| Shandong Hanyue Chem | China national standards | MT | 704.49 | USD | 20251020 |